Listening PracticeListening PracticeListening PracticeListening Practice Oral PracticeOral PracticeOral PracticeOral Practice AssignmentAssignmentAssignment

• Listening Practice

• Oral Practice

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Assignment CheckupAssignment Checkup

to mean:to mean:outside or beyond outside or beyond [the thing indicated [the thing indicated by the root word]by the root word]

extraterrestrialextraterrestrial extracurricular extracurricular extramaritalextramarital

extraordinary extraordinary extrasensory extrasensory

Examples:Examples:

prefixprefix

extra-extra-to be used to formto be used to form

adjectivesadjectives


Translate the following expressions into Chinese. Translate the following expressions into Chinese.

1.1. extracurricular activities including soccer, painting and extracurricular activities including soccer, painting and

poetry readingpoetry reading

诸如足球、绘画和诗歌朗诵之类的课外活动诸如足球、绘画和诗歌朗诵之类的课外活动



2.2. conduct research into extrasensory perceptionconduct research into extrasensory perception

从事超感知觉的研究从事超感知觉的研究



3.3. have doubts about the existence of extraterrestrial beings have doubts about the existence of extraterrestrial beings

对是否存在外星人表示怀疑对是否存在外星人表示怀疑



4.4. a man with extraordinary courage and confidence a man with extraordinary courage and confidence

一个具有非凡勇气和信心的人一个具有非凡勇气和信心的人



5.5. have an extramarital affair with his wife’s friend have an extramarital affair with his wife’s friend

与他妻子的朋友有婚外恋与他妻子的朋友有婚外恋


to mean:to mean:a person or thing thaa person or thing that does sth.t does sth.

correspondentcorrespondent president president residentresident

student student precedent precedent solventsolvent

Examples:Examples:

to be added toto be added toverbsverbs

suffixsuffix

-ent-ent


Complete the following sentences with the correct forms of the Complete the following sentences with the correct forms of the words given in the box below.words given in the box below.

correspondentcorrespondent president president residentresidentstudent student precedent precedent solventsolvent

1.1. Today’s ________ enjoy a more rewarding campus life than Today’s ________ enjoy a more rewarding campus life than

those of the past.those of the past.

2.2. All the ________ of the building are complaining about the All the ________ of the building are complaining about the

noise from your apartment late at night.noise from your apartment late at night.

studentsstudents

residentsresidents




3.3. Benzene (Benzene ( 苯苯 ) is a ________ that can be used to remove stain) is a ________ that can be used to remove stain

s.s. 4.4. If I excused you from writing this paper, it would set a bad _If I excused you from writing this paper, it would set a bad _

________: Everyone would feel entitled to ignore the course ________: Everyone would feel entitled to ignore the course

requirements.requirements.

solventsolvent

precedentprecedent




5.5. A junior from the Department of Economics was elected ___A junior from the Department of Economics was elected ___

_____ of the Student Union._____ of the Student Union.

6.6. The newspaper’s _____________ in Paris has just sent in a rThe newspaper’s _____________ in Paris has just sent in a r

eport on the latest developments in the peace talks.eport on the latest developments in the peace talks.

presidentpresident

correspondentcorrespondent

Voyager I and IIVoyager I and II

The twin Voyager spacecraft, over the course of a dozen The twin Voyager spacecraft, over the course of a dozen

years, drew back the curtain on nearly half of the solar years, drew back the curtain on nearly half of the solar

system. The Voyagers were designed to take advantage system. The Voyagers were designed to take advantage

of a rare geometric arrangement of the outer planets of a rare geometric arrangement of the outer planets

that occurs only once every 176 years, which allows a that occurs only once every 176 years, which allows a

spacecraft to swing from one planet to the next without spacecraft to swing from one planet to the next without

the need for large onboard propulsion systems.the need for large onboard propulsion systems.

More to learnMore to learnMore to learnMore to learn

Voyager I and IIVoyager I and II

Voyager II was launched first, on August 20, 1977, folloVoyager II was launched first, on August 20, 1977, followed by Voyager I, which was put on a faster, shorter trwed by Voyager I, which was put on a faster, shorter trajectory (ajectory ( 轨道轨道 ) to Jupiter on September 5, 1977. Both l) to Jupiter on September 5, 1977. Both launches took place aunches took place from Kennedy Space Centerfrom Kennedy Space Center. Eighte. Eighteen months after launch, Voyager I reached Jupiter, 650 en months after launch, Voyager I reached Jupiter, 650 million kilometers (400 million miles) away. The spacecmillion kilometers (400 million miles) away. The spacecraft made its closest approach on March 5, 1979, while raft made its closest approach on March 5, 1979, while Voyager II followed on July 9 of the same year. Images Voyager II followed on July 9 of the same year. Images streaming back from the pair of spacecraft began to shostreaming back from the pair of spacecraft began to show the complicated, swirling turbulence of Jupiter’s atmw the complicated, swirling turbulence of Jupiter’s atmosphere in exquisite detail. osphere in exquisite detail.

Voyager 1 approaching SaturnVoyager 1 approaching Saturn

Jupiter Jupiter (( 木星木星 ))

The fifth planet from the Sun, and the most massive plaThe fifth planet from the Sun, and the most massive pla

net. Its mass represents more than two-thirds of the totnet. Its mass represents more than two-thirds of the tot

al mass of all the planets, or 318 times the mass of the Eal mass of all the planets, or 318 times the mass of the E

arth. If Jupiter had been several times more massive, it arth. If Jupiter had been several times more massive, it

would have been a star, because the pressure and tempewould have been a star, because the pressure and tempe

rature at its center would have been great enough to set rature at its center would have been great enough to set

off nuclear fusion. Because Jupiter's density (1.3 g/cm7, off nuclear fusion. Because Jupiter's density (1.3 g/cm7,

or 82 lb/ft7) is relatively low, it has the volume of 1,000 or 82 lb/ft7) is relatively low, it has the volume of 1,000

Earths. Jupiter is 1,000 times smaller than the Sun. Earths. Jupiter is 1,000 times smaller than the Sun.

Saturn Saturn (( 土星土星 ))

The sixth planet from the sun and the second largest in The sixth planet from the sun and the second largest in

the solar system, having a sidereal period of revolution the solar system, having a sidereal period of revolution

about the sun of 29.5 years at a mean distance of about about the sun of 29.5 years at a mean distance of about

1,426,000,000 kilometers (886,000,000 miles), a mean di1,426,000,000 kilometers (886,000,000 miles), a mean di

ameter of approximately 120,000 kilometers (74,000 milameter of approximately 120,000 kilometers (74,000 mil

es), and a mass 95 times that of Earth.es), and a mass 95 times that of Earth.

Text-related informationText-related information

Neptune Neptune (( 海王星海王星 ))

The eighth planet from the sun, having a sidereal perioThe eighth planet from the sun, having a sidereal perio

d of revolution around the sun of 164.8 years at a mean d of revolution around the sun of 164.8 years at a mean

distance of 4.5 billion kilometers (2.8 billion miles), a mdistance of 4.5 billion kilometers (2.8 billion miles), a m

ean radius of 24,000 kilometers (15,000 miles), and a mean radius of 24,000 kilometers (15,000 miles), and a m

ass 17.2 times that of Earth.ass 17.2 times that of Earth.

star star (( 恒星恒星 ))

A star is a large ball of hot gas, thousands to millions of A star is a large ball of hot gas, thousands to millions of

kilometers in diameter, emitting large amounts of radiakilometers in diameter, emitting large amounts of radia

nt energy from nuclear reactions in its interior. Stars dint energy from nuclear reactions in its interior. Stars di

ffer fundamentally from planets in that they are self-luffer fundamentally from planets in that they are self-lu

minous, whereas planets shine by reflected sunlight. Exminous, whereas planets shine by reflected sunlight. Ex

cept for the Sun, which is the nearest star, stars appear cept for the Sun, which is the nearest star, stars appear

only as points of light, even in the largest telescopes, beconly as points of light, even in the largest telescopes, bec

ause of their distance.ause of their distance.

SunSunSunSun

Text-related informationText-related information

Carl Sagan Carl Sagan ((1934~19961934~1996 ) )

Carl Edward Sagan was known primarily for his reseCarl Edward Sagan was known primarily for his research on the possibility of extraterrestrial life and as a arch on the possibility of extraterrestrial life and as a popularizer of science.popularizer of science.

a special record a special record capable of reproducingcapable of reproducing images and images and sounds, sounds, packed withpacked with a needle and a drawing showing how a needle and a drawing showing how the equipment should be usedthe equipment should be used

Paraphrase:Paraphrase:

—— a special record a special record that can play backthat can play back pictures and pictures and sounds recorded on it, sounds recorded on it, supplied withsupplied with a needle and an a needle and an illustration in the package, showing how to use the illustration in the package, showing how to use the equipment equipment

agree on (sth.)agree on (sth.)

— — form a similar opinion about (sth.)form a similar opinion about (sth.)

Examples:Examples:

• We couldn’t agree on a date to meet.We couldn’t agree on a date to meet.

• The government had still to agree on the provisions oThe government had still to agree on the provisions of the Bill. f the Bill.

flock flock nn. .

— — a group of animals that live, travel, or feed togethera group of animals that live, travel, or feed together

Cf.Cf.

• a a swarmswarm of bees/ants of bees/ants

• a a herdherd of elephants/cattle of elephants/cattle

• a a schoolschool of fish of fish

• a a stablestable of horses of horses

• a a packpack of wolves of wolves


flock flock nn. .


Note:Note: Collective Noun Collective Noun

In In AmericanAmerican usage, a collective noun takes a singular usage, a collective noun takes a singular verb when it refers to the collection considered as a verb when it refers to the collection considered as a whole, whole, e.g.e.g.• The family The family isis moving to Chicago. moving to Chicago.• The enemy The enemy isis attacking the town with heavy fire. attacking the town with heavy fire.But a plural verb is used when it refers to the members But a plural verb is used when it refers to the members of the group considered as individuals, of the group considered as individuals, e.g.e.g.• Her family Her family areare always arguing over small matters. always arguing over small matters.• The enemy The enemy werewere showing up in groups of three or showing up in groups of three or four.four.


flock flock nn. .


Note:Note: Collective Noun Collective Noun

In In BritishBritish usage, however, collective nouns are more usage, however, collective nouns are more often treated as plurals:often treated as plurals:

The government The government have announcedhave announced a new policy. a new policy.

The team The team are playingare playing in the test matches next week. in the test matches next week.

NavajoNavajo

The Navajo is a native American tribe living on The Navajo is a native American tribe living on

reservations in northeastern Arizona and contiguous reservations in northeastern Arizona and contiguous

parts of New Mexico and Utah. They are closely parts of New Mexico and Utah. They are closely

related to the Apache and originally emigrated from related to the Apache and originally emigrated from

areas to the north. It is thought that they settled in the areas to the north. It is thought that they settled in the

southwest during the 16th century. By the 17th century southwest during the 16th century. By the 17th century

the Navajo had become a pastoral people, with an the Navajo had become a pastoral people, with an

economy based largely on herding and hunting. economy based largely on herding and hunting.

tunetune nn..

— — [music] a melody, especially a simple and easily [music] a melody, especially a simple and easily remembered one; a song.remembered one; a song.

Example:Example:

•• The best tunes are played on the oldest fiddles.The best tunes are played on the oldest fiddles.

Sigmund Z. Engel (1869—?)Sigmund Z. Engel (1869—?)

New GuineaNew Guinea

An island in the southwest Pacific Ocean north of An island in the southwest Pacific Ocean north of Australia. The western half is part of Indonesia, and the Australia. The western half is part of Indonesia, and the eastern half forms the major portion of Papua New eastern half forms the major portion of Papua New Guinea.Guinea.

Or will they be so used to picking up spaceships thaOr will they be so used to picking up spaceships that they’ll be bored to find one more?t they’ll be bored to find one more?

Translate the sentence.Translate the sentence.

??Key:Key:

或者他们对于发现宇宙飞船已经习以为常，所以又发现一艘或者他们对于发现宇宙飞船已经习以为常，所以又发现一艘会使他们感到厌烦？会使他们感到厌烦？

Conversation 2Conversation 2

QuestionsQuestionsQuestionsQuestions

Listening PracticeListening Practice

6.6. A)A) She saw everything that happened. She saw everything that happened.

B)B) She saw two men standing outside the bank.She saw two men standing outside the bank.

C)C) She saw the two men go into the bank.She saw the two men go into the bank.

D)D) D) She saw a young man wearing dirty jeans. D) She saw a young man wearing dirty jeans.



7.7. A)A) She didn’t hear a man shout’Shut up!’ She didn’t hear a man shout’Shut up!’

B)B) She didn’t hear a child scream. She didn’t hear a child scream.

C)C) She didn’t hear people shouting. She didn’t hear people shouting.

D)D) She didn’t hear the bank alarm.She didn’t hear the bank alarm.



8.8. A)A) A young man in dirty jeans went into the banA young man in dirty jeans went into the bank. k.

B)B) Two men went into the bank. Two men went into the bank.

C)C) The man well-dressed went into the bank. The man well-dressed went into the bank.

D)D) A young man nearly knocked me off my feet.A young man nearly knocked me off my feet.



9.9. A)A) Mrs. Smith. Mrs. Smith.

B)B) Mrs. Powell. Mrs. Powell.

C)C) Both Mrs. Smith and Mrs. Powell. Both Mrs. Smith and Mrs. Powell.

D)D) Neither of them. Neither of them.



10.10. A)A) The woman would not make a good witness in The woman would not make a good witness in court. court.

B)B) The woman offered some important The woman offered some important information information about the bank robbers. about the bank robbers.

C)C) What the woman said was certainly connected What the woman said was certainly connected with the attempted robbery. with the attempted robbery.

D)D) The policeman was very much impatient with The policeman was very much impatient with the the speaker.speaker.

Check-upCheck-upCheck-upCheck-up



6.6. What did Mrs. Powell see according to the woman? What did Mrs. Powell see according to the woman?

A)A) She saw everything that happened. She saw everything that happened.



D)D) She saw a young man wearing dirty jeans.She saw a young man wearing dirty jeans.

6.6. What did Mrs. Powell see according to the woman? What did Mrs. Powell see according to the woman?

A)A) She saw everything that happened. She saw everything that happened.



D)D) She saw a young man wearing dirty jeans.She saw a young man wearing dirty jeans.



7.7. What did Mrs. Smith not hear during the bank robbery? What did Mrs. Smith not hear during the bank robbery?

A)A) She didn’t hear a man shout’Shut up!’ She didn’t hear a man shout’Shut up!’




7.7. What did Mrs. Smith not hear during the bank robbery? What did Mrs. Smith not hear during the bank robbery?

A)A) She didn’t hear a man shout’Shut up!’ She didn’t hear a man shout’Shut up!’






8.8. Which of the following observations will be of some help tWhich of the following observations will be of some help to the police? o the police?

A)A) A young man in dirty jeans went into the banA young man in dirty jeans went into the bank. k.




8.8. Which of the following observations will be of some help tWhich of the following observations will be of some help to the police? o the police?

A)A) A young man in dirty jeans went into the banA young man in dirty jeans went into the bank. k.






9.9. Who saw the two men both go into the bank? Who saw the two men both go into the bank?

A)A) Mrs. Smith. Mrs. Smith.




9.9. Who saw the two men both go into the bank? Who saw the two men both go into the bank?

A)A) Mrs. Smith. Mrs. Smith.






10.10. What can we learn from the conversation? What can we learn from the conversation?

A)A) The woman would not make a good witness in The woman would not make a good witness in court. court.




10.10. What can we learn from the conversation? What can we learn from the conversation?

A)A) The woman would not make a good witness in The woman would not make a good witness in court. court.





ScriptScriptScriptScript


M — PolicemanM — Policeman W— Mrs. SmithW— Mrs. Smith

M:M: Now, Mrs. Smith, you said you saw everything that happeNow, Mrs. Smith, you said you saw everything that happened. Can you tell me about it?ned. Can you tell me about it?

W:W: Yes. Well, as I said, I was standing outside the bank chattYes. Well, as I said, I was standing outside the bank chatting to two friends of mine and I saw these two men go inting to two friends of mine and I saw these two men go into the bank behind me.o the bank behind me.

M:M: And what were they wearing?And what were they wearing?

W:W: I can’t remember, but Mrs. Powell said she caught sight oI can’t remember, but Mrs. Powell said she caught sight of a young man wearing dirty jeans.f a young man wearing dirty jeans.

M:M: But Mrs. Powell didn’t actually see the two men go into tBut Mrs. Powell didn’t actually see the two men go into the bank, did she?he bank, did she?

W:W: No, but then her back was turned. She only glanced arouNo, but then her back was turned. She only glanced around to see what I was looking at.nd to see what I was looking at.


M:M: I see. And what happened then?I see. And what happened then?

W:W: Well, then I heard a man shout ‘Shut up!’ — I’m sure it cWell, then I heard a man shout ‘Shut up!’ — I’m sure it came from the bank — and we all heard a woman scream.ame from the bank — and we all heard a woman scream.

M:M: Well, we’ll check that. And then what?Well, we’ll check that. And then what?

W:W: Well, we all looked towards the bank … er … and I felt soWell, we all looked towards the bank … er … and I felt someone rush past me. He nearly knocked me off my feet.meone rush past me. He nearly knocked me off my feet.

M:M: ‘He’? You’re sure it was a man?‘He’? You’re sure it was a man?

W: W: Well, I wasn’t at that moment, but then I looked up and cWell, I wasn’t at that moment, but then I looked up and caught a glimpse of a young man running in and out of the aught a glimpse of a young man running in and out of the crowd on the pavement.crowd on the pavement.

M:M: I see.I see.


W:W: And we all heard people shouting. Oh, and then we all heAnd we all heard people shouting. Oh, and then we all heard the bank alarm go off. It was a terrible noise.ard the bank alarm go off. It was a terrible noise.

M:M: Just one thing before I go through it all again and take a sJust one thing before I go through it all again and take a statement from you. You said there were two men. Were ttatement from you. You said there were two men. Were they together?hey together?

W:W: Well, I don’t know now. I saw them both go towards the Well, I don’t know now. I saw them both go towards the door of the bank but the other one was well-dressed, I seedoor of the bank but the other one was well-dressed, I seem to remember, so I don’t know if he went in or not. I didm to remember, so I don’t know if he went in or not. I didn’t actually see him go in, to be perfectly honest.n’t actually see him go in, to be perfectly honest.

M:M: Well, you’ve been very helpful. Now I’m afraid I shall haWell, you’ve been very helpful. Now I’m afraid I shall have to ask you to go through it all again for a statement. ve to ask you to go through it all again for a statement.


Passage 2Passage 2

QuestionsQuestionsQuestionsQuestions


6.6. A)A) He thought no one would like to steal his old cHe thought no one would like to steal his old car. ar.

B)B) His car was the most up-to-date model on the His car was the most up-to-date model on the street. street.

C)C) He left his car unlocked. He left his car unlocked.

D)D) He was foolish enough to tell it to the police.He was foolish enough to tell it to the police.

Passage 2Passage 2


7.7. A)A) A standard 1965 Mini. A standard 1965 Mini.

B)B) Painted red. Painted red.

C)C) Number ABC 456C. Number ABC 456C.

D)D) No accessories.No accessories.

Passage 2Passage 2


8.8. A)A) There was a lot of play in the steering. There was a lot of play in the steering.

B)B) There was a scratch on the paintwork of the cThere was a scratch on the paintwork of the car. ar.

C)C) The door on the passenger’s side did not open The door on the passenger’s side did not open properly. properly.

D)D) The number was different.The number was different.

Passage 2Passage 2


9.9. A)A) On a side-street three or four miles away. On a side-street three or four miles away.

B)B) On a main street three or four blocks away. On a main street three or four blocks away.

C)C) On the pavement of a side-street three or four On the pavement of a side-street three or four miles away. miles away.

D)D) On the pavement of a main street three or On the pavement of a main street three or four four blocks away. blocks away.

Passage 2Passage 2


10.10. A)A) The thief thanked the owner of the car. The thief thanked the owner of the car.

B)B) The thief explained why he took the car. The thief explained why he took the car.

C)C) The thief promised that he would not steal it The thief promised that he would not steal it again. again.

D)D) The thief gave up the car because of its poor The thief gave up the car because of its poor condition.condition.

Check-upCheck-upCheck-upCheck-up

Passage 2Passage 2


6.6. Why was the speaker surprised when he found his car stolWhy was the speaker surprised when he found his car stolen? en?

A)A) He thought no one would like to steal his old cHe thought no one would like to steal his old car. ar.




6.6. Why was the speaker surprised when he found his car stolWhy was the speaker surprised when he found his car stolen? en?

A)A) He thought no one would like to steal his old cHe thought no one would like to steal his old car. ar.




Passage 2Passage 2


7.7. Which one of the following was not a feature of the lost Which one of the following was not a feature of the lost car? car?

A)A) A standard 1965 Mini. A standard 1965 Mini.




7.7. Which one of the following was not a feature of the lost Which one of the following was not a feature of the lost car? car?

A)A) A standard 1965 Mini. A standard 1965 Mini.




Passage 2Passage 2


8.8. What was the only distinguishing mark on the car? What was the only distinguishing mark on the car?

A)A) There was a lot of play in the steering. There was a lot of play in the steering.




8.8. What was the only distinguishing mark on the car? What was the only distinguishing mark on the car?

A)A) There was a lot of play in the steering. There was a lot of play in the steering.




Passage 2Passage 2


9.9. Where did the police find the car? Where did the police find the car?

A)A) On a side-street three or four miles away. On a side-street three or four miles away.



D)D) On the pavement of a main street three or On the pavement of a main street three or four four blocks away.blocks away.

9.9. Where did the police find the car? Where did the police find the car?

A)A) On a side-street three or four miles away. On a side-street three or four miles away.



D)D) On the pavement of a main street three or On the pavement of a main street three or four four blocks away.blocks away.

Passage 2Passage 2


10.10. What did the note say? What did the note say?

A)A) The thief thanked the owner of the car. The thief thanked the owner of the car.




10.10. What did the note say? What did the note say?

A)A) The thief thanked the owner of the car. The thief thanked the owner of the car.




Passage 2Passage 2

ScriptScriptScriptScript


My car was stolen the other day and the police asked me to My car was stolen the other day and the police asked me to

write down a description of it to help them trace the thief. I was write down a description of it to help them trace the thief. I was

surprised that it had been taken because there were plenty of surprised that it had been taken because there were plenty of

faster, more up-to-date models in the street but perhaps I was the faster, more up-to-date models in the street but perhaps I was the

only person foolish enough to leave my door unlocked. I wrote the only person foolish enough to leave my door unlocked. I wrote the

following description: “My car is a standard 1965 Mini, painted red, following description: “My car is a standard 1965 Mini, painted red,

number ABC 456C. It is in good condition, except that there is a lot number ABC 456C. It is in good condition, except that there is a lot

of play in the steering. In fact, I was on my way to the garage to of play in the steering. In fact, I was on my way to the garage to

have the steering adjusted when the car was stolen. The only have the steering adjusted when the car was stolen. The only

accessories are the seat belts, also of standard make and design. accessories are the seat belts, also of standard make and design.


The only distinguishing mark that would help you is a scratch The only distinguishing mark that would help you is a scratch

on the paintwork about three inches long just above the left rear won the paintwork about three inches long just above the left rear w

heel. The door on the passenger’s side sticks and does not open pheel. The door on the passenger’s side sticks and does not open p

roperly. But no doubt the thieves will spray it some other color and roperly. But no doubt the thieves will spray it some other color and

change the number plates!”change the number plates!”

The police reported the next day that they had found the car in The police reported the next day that they had found the car in

a side-street three or four miles away. It was not damaged but soma side-street three or four miles away. It was not damaged but som

eone had stuck a note to the windscreen. It read: “To the owner. If eone had stuck a note to the windscreen. It read: “To the owner. If

you want to kill yourself with this steering, go ahead. I’ve got betteyou want to kill yourself with this steering, go ahead. I’ve got bette

r things to do.” r things to do.”


Oral PracticeOral Practice

• Activity 1

• Activity 2


Expressing Disbelief and Doubt PolitelyExpressing Disbelief and Doubt Politely

• Are you (absolutely) sure that’s

correct?

• Really

• Gee, that’s hard to believe.

• How is that possible?

• Is that so?

FunctionFunction

DiscussionDiscussionDiscussionDiscussion

Pair WorkPair WorkPair WorkPair Work


Choose one of the views below to make a dialog.

• Of course there must be life on Venus.

• Space wars will actually break out some day in the future.

• We should spend more money flying to Mars.

• I saw an Unidentified Flying Object fly over our house.

• Creatures from outer space often visit our planet.

DiscussionDiscussionDiscussionDiscussion


What do you think of all the movies about space wars and star wars and things like that?

Do you think we will ever really encounter life from another planet?

Do you think you or any body you know will ever get a chance to travel in space?

If you could, would you like to take a trip to the moon? Why or why not?

Documents

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