3 crime C 犯罪 It's a crime to do sth 做某事是一种犯罪

commit a crime 犯罪commit suicide自杀prevent crime 预防犯罪

思维拓展 criminal adj. 犯罪的 ~~record n. 犯人

The criminal was sentenced to death(被判死刑)

4. attack n. 攻击，进攻

短语：make an attack on.... 对...发动进攻 under attack 遭受攻击

a heart attack 心脏病发作

v.进攻 eg::The best way to defend is to attack 最好的防御是进攻

SARS attacked this area （疾病）侵袭

Today's paper all attacked the government's new policy

今日报纸都在抨击政府的新政策

5 crash vt\n 英译汉：1Only one baby survived in the car crash

2He crashed my car (vt)

6.offer v. 提供，出价 offer sb sth =offer sth to do 向某人提供某物

人+ offer to do sth 主动提出去做某事 offerings 奉献物

7 as if =as though 好像

思维拓展：It seems as if it's going to rain(真实)

She talks as if she were my elder sister(虚拟)

I remember the whole thing as if it happened yesterday

　　He spaks English well as if he had lived in England for years

8.harm U 伤害 eg: I mean no harm to her 我对她没恶意

do harm (vt) to =be harmful (adj) to

Don't harn your eyes by reading in dim light 不要在昏暗处读书免的伤眼睛

9.see sb doing sth(正在做某事) see sb do sth(做了某事，习惯\经常做某事)

被动→sb is seen doing sth sb is seen to do sth 类似 ：hear,notice,watch,find,feel

Homework:

一．重点单词过关检测：

1、网络空间 n. _________ 2、全球的，全世界的_________ 3、artificial adj. _________

4、climate n. _________ 5、virtual adj. _________ 6、reality n. _________ 7、影响 vt._________ 8、快，迅速地 adv. _________ 9、罪犯 n. _________ 10、娱乐、款待 n. _________ 11、attack vt. & n. _________ 12、crash vt. _________ 13、global _________ (n.) 14、reality _________ (adj.)15、affect _________ (n.) 16、growth _________ (vi 17 pessimistic _________ (反义词) 18 entertainment _________ (vt.)

19 disappear _________ (反义词) 20、harm _________ (adj.)

二． 翻译句子：

1．1983年，只有200台电脑与网络连接。

2．很多人对网络的未来很乐观。