冀教九年级第二学期第二单元lesson 16

unit reviewDNA

lesson 9~16

You will Learn Functions Ability and inability

Grammar coordinating conjunctions

1.Building Your vocabulary lesson16

A.complete the sentences with the proper forms of the given words.1.How great the building is! Who is the____________(design)?2.There are a lot of _________(secretly)things that people don’t know about the Pyramids.3.I’m thirsty. I want some fresh and _____(juice) oranges.4.Now the world is interested in_______(clone) sheep and other animals.5. Please tell me how I can _____(division)the class into three groups.

designersecret

juicy

cloning

divide

B. Complete the sentences with proper words using the first letters given as your guide.

1.The police men wanted to know the e________address of the injured student.2.Your words are h_______to me. Thanks!3.These two girls must be t_______. Theylook the same.4.Can you c______grapes and bananas toGet grananas?5.This bag is i________to the one I boughtLast year.6.Don’t tell it to anyone. Let’s keep it as_______.

xactelpful

wins

ombine

ntential

ecret

7.They’ve d________ a blueprint for a newbuilding.8. My grandpa died in 2000. He has beend______for about five years.9.N______of them is a teacher. They are Both students.10. Let’s d______how to do it.

esined

eadeither

iscuss

C. Choose proper phrases to complete thesentences.

neither…nor… except for what ifnot only…but also at the same time

1. I like autumn best. It’s _______too cold_______too hot.2._________an accident really happens?3. Your Chinese homework is good __________ your handwriting.4. Don’t all speak _________________pleas speak one by one.5._________the young ______ the old likepop music.

neithernorWhat if

exceptfor

at the same time

Not only but also

D. Complete the passage with proper words or phrases.

We live in a small world, and the world itselfis________ all the time.Suppose one day you See a boy. He is similar to you and has theSame_______ as you, but he isn’t your son.______do you feel? Do you think____canmake your life different? Some scientists Really want to ______human beings afterThe birth of Dolly Sheep. Will this experiment ________or_________ our Society? Nobody knows. Each person hashis ____idea, so it’s hard to say whether it’s good or not.

changing

DNAHow it

clone

imporve change

own

II.Grammar in UseFill in the blanks with proper words.1._______Lucy______her mother is ableto speak German.2.I can speak ____ ____English____ _____ French.3.Which colour do you prefer, green____ yellow?4.I left it _____on the table_____in the drawer.5.Both Mom and Dad _______going to havea meeting in the hall.6.Neither Jenny nor I ______playing footballwith boys.

Either or

not only but also

or

either or

are

am

III.Speaking the LanguageComplete the following dialogue.A: Please answer my question, young man. What skills do you have?B: Let’s see. I ____ _____ ____ draw, I think.A: Anything else?B:I _____play the flute well.A: Are you _______to do everything carefully?B: Yes, I am.A: Congratulations. You ______have the job.B: Thanks

am able to

canable

can

London, Daily Magazine, July5,1996 UNITED KINGDOM:On July5, 1996 a sheep_____“Dolly” was born in England.To make Dolly, scientists _____DNA from one sheep and ______it into an emptyegg from another sheep. Through cloning experiments, scientists______To improve animals for agriculture. They alsohope to use cloning to _______ make new Medicines for people.Dolly was cloned_______a six-year-old sheep. Inmany ways, Dolly’s body was already six years Old when she was born! Dolly is healthy now,But will she _______ healthy? Scientists still don’t know.

called

tookput

decide

help

from

keep

Do you know?lesson16

Ability and inabilityHe can ride a bike.He’s able to pass the math exam.Brian is good at football.Scientists can take DNA form one kind of animal.and put it into another kind of animal.They can’t combine their DNA.How far can you jump?Can I take a plane to the bakey?

Do you know?

lesson16

Coordinating conjunctionsBacteria are neither plants nor animals.From your DNA, scientists can identify not onlyyou but also people related to you.What would you name your new animal or plant ?She didn’t ask for both a size and a feelingNow I need either a size or a feeling.

单元语法讲解

并列连词

一、 and 的用法 （ 1 ）连接两个数词，表示“加” What’s five and six? 五加六等于几？

（ 2 ）连接两个并列的名词，表示“和”I have two pens and three pencils.我有两支钢笔和三支铅笔。（ 3 ）位于句首，表示“那么，于是然后等，起承上启下的作用。How are you? 你好吗？Fine. Thank you . And you? 很好，谢谢你呢？

单元语法讲解

并列连词

二、 but 的用法连接两个并列成分或并列句，表示转折，意思是“但是，然而”。

He is young but very experienced. 他虽然年轻，但很有经验。多用于前后对立的场合It’s an old car, but it’s very reliable.

这辆车很旧，但很耐用。

单元语法讲解

并列连词

三、 or 的用法(1) 用于否定句中，连接并列成分，表示也不。He never smokes or drinks.他从不吸烟，也不喝酒。（ 2 ）表示两种或两种以上的选择或可能性，意思是或者还是。I want to buy a blue or brown shirt.我想买件蓝色或褐色的衬衣。

（ 3 ）用在祈使句 +or+ 陈述句的固定句式中意思是不然否则。 Put on your coat,or youWill catch a cold. 穿上外套，否则你会感冒。

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