Unit 4 Cyberspace Period One Warm-up & Lesson 1 Tomorrow’s
World
Can you imagine a world without the Internet？It’s surprising to think about it.
Now，China has more than 162 million Internet users，according to the China Internet Network Information Centre.This is the second largest number of users in the world after the United States.Today,66% of Chinese netizens(网民) are teenagers.“They spend about thirteen hours every week online，” said Qian Hulin，an Internet expert.Doctor Song in Beijing Xuanwu Hospital said，“About 14% of Chinese netizens who are teens often last over ten hours to play online games.”
The main reasons why teenagers surf the Net are to search for information，to communicate with others and to have fun.On the Internet，teenagers can find out almost anything.And surfing the Net can help students with their homework and widen their knowledge.
Li Dong，a teacher in No.41 Middle School in Shijiazhuang，likes her students to use the Internet.“When we talk in class，students who surf the Net usually know more background information than the others，” she said.
In addition，people can use the Internet to write letters or stories，send e-mails and chat.Many teens keep in touch with their friends online.It is cheaper than phoning somebody far away and also much quicker.
根据上文回答下列问题
1.Which country has the most Internet users in the world according to the article? America/The United States.
2.Why does Li Dong in No.41 Middle School like her students to use the Internet? Because she thinks her students can get more background information by using the Internet.
Period One Warm-up & Lesson 1 Tomorrow’s World
Ⅰ.重点单词
1.artificial adj.人造的
2.flood n.洪水，水灾；vt.& vi.淹没
3.reality n.真实，现实
real adj.真实的
really adv.真实地
4.affect vt.影响；使感动
5.rapidly adv.快，迅速地
rapid adj.迅速的
6.growth n.增长；生长
grow vt.& vi.生长；种植
7.crime n.犯罪；罪行
criminal n.罪犯，犯人
8.attack n.& vt.攻击，进攻
9.chaos n.混乱，无秩序
10.crash vt.(汽车、飞机等)撞毁；坠毁
11.optimistic adj.乐观的
pessimistic adj.悲观的；厌世的
12.entertainment n.娱乐；款待
entertain v.款待；使感兴趣
13.disappear vi.消失
14.harm vt.& n.伤害，损害
15.obvious adj.明显的，显而易见的
Ⅱ.重点短语
1.make up组成；编造；弥补；化妆；和好
e true(愿望、梦想等)实现
3.find out找出，发现，查明
4.be pessimistic/optimistic about...对……悲观/乐观
5.take action采取行动
