human rights

人权

rural 农村urban 城市

population density

人口密度

urbanization

城市化

slum 贫民窟influence 影响

official language

官方语言

conflict 冲突UN 联合国

International business

国际商业

Mandarin 普通话Hindi 印地语Arabic 阿拉伯语

Overcrowding

过度拥挤

Who Helps Solve Global Problems?

The United Nations (UN) is an important international organization. It was formed in 1945. The United Nations tries to settle disagreements, improve the way people live, and keep peace around the world. By 2015, the United Nations wants to reduce poverty worldwide, halt the spread of AIDS, and provide worldwide primary education.

★ Can you name three special service agencies of the UN?

★ What do they do?

联合国国际儿童紧急救助基金会

联合国粮食及农业组织

WHO

世界卫生组织

联合国教科文组织

troop 部队

What About Overcrowding?

middle latitudes 中纬度

temperate zones 温带地区

rural areacountryside

large and isolated

low population density

urban areahigh population density

vast human features

built-up area

downtown Toronto

Greater Tokyo Area

urbanization 城市化

Los Angeles metropolitan area

What Are the Largest Cities?

high population density

Tokyo

Rainbow Bridge

Tokyo Tower

Seoul

shopping district

Slumdog millionaire 贫民窟的百万富翁

slum

shanty

Delhi

Shanghai

Mexico City

São Paulo

Why Do People Move to Cities?

★ Cities offer jobs, education, and hope

What Are the Effects of Urbanization?

crime and violence 犯罪与暴力