初二年级英语下册辅导资料

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生词和短语

★detective　n. 侦探

detective story 侦探小说

★airport　n. 机场

★airfield　n. 飞机起落的场地

port 港口;airport航空港

field 田野;airfield 停机坪

at the airport

on the airfield

★expect　v. 期待，等待

except 除……之外

expect/ik'spekt/ v. 期待，等待

I think so.

I expect so.我希望如此[口语]

expect sb.to do sth.期待某人做某事

expect sth.及物动词：I expect your letter.

I expect you to write back.

wait for sth./wait for sb.不及物动词

expect:心理上的等待

wait for:动作上的等待

I wait for my mother.

I expect my mother to come back.

★valuable　adj. 贵重的

★precious　adj. 珍贵的

value n.---valuable adj.有价值的

sth.is valuable/sth.is precious

precious 带有感情色彩的

precious photo 珍贵的照片

price 价格;priceless adj.-less 表否定;没有价格的，无价的

valueless adj. 没有价值，不足道的

worth 值：worthless adj. 无价值的

★parcel　n. 包裹

★diamond　n. 钻石

precious stone 宝石

crystal 水晶; jade 玉

diamond ring 钻石戒指

★steal　v. 偷

steal,stole,stolen

steal sth. 偷(某物)

rob sb. 抢(某人)

My wallet was stolen.

I was robbed.

rob the bank

★main adj. 主要的

main building; main street

main sentence; main idea

不与人连用

★guard　n. 警戒，守卫

life guard 救生员/body guard　保镖

★stone　n. 石子

★sand　n. 沙子

本课重点：过去进行时，一般过去时

一般过去时与现在完成时

共同点：动作在过去都做过了。

区别：过去式只能强调过去的事，和现在没有任何关系。

I ate a piece of bread.

现在完成时，过去的事情对现在产生的影响。

I have eaten a piece of bread this morning.I'm not hungry.

The clock stopped.陈述事实

The clock has stopped.过去的事实对现在造成影响

It snowed yesterday.

It has snowed yesterday.强调对现在造成影响

First listen and then answer the question.

听录音，然后回答以下问题。

Did the detectives save the diamonds?

The plane was late and detectives were waiting at the airport all morning. They were expecting a valuable parcel of diamonds from South Africa. A few hours earlier, someone had told the police that thieves would try to steal the diamonds. When the plane arrived, some of the detectives were waiting inside the main building while others were waiting on the airfield. Two men took the parcel off the plane and carried it into the Customs House. While two detectives were keeping guard at the door, two others opened the parcel. To their surprise, the precious parcel was full of stones and sand!