2019学年度人教版选修八Unit 3Inventors and inventions Period2Language points学案

Ⅰ.单项填空

1．We ________ to paint the house at dawn but finished only the front part till dark.

A．set out B．set off

C．set about D．set aside

答案与解析：A　set out to do sth."开始做某事"，相当于begin to do sth.。

2．A healthy life is frequently thought to be ________ with the open countryside and home­grown food.

A．tied B．related

C．involved D．associated

答案与解析：D　be associated with..."和......有关"。tie和relate意为"和......有关"时，常与to连用；be involved与in搭配。

3．The twins were so much alike that it was impossible to

________ one from the other.

A．distinguish B．separate

C．identify D．recognize

答案与解析：A　根据题意应是不可能把这对双胞胎区分开，故选A项。distinguish...from..."把......和......区别开"。separate...from..."把......和......分隔开"；identify"识别"；recognize"认出"。

4．-Have you decided which house to buy?

-No，not yet. I must find a house that is ________ for all kinds of transportation.

A．convenient B．appropriate

C．available D．content

答案与解析：A　convenient"方便的；便利的"，其主语通常是物，符合题意。

5．Teachers pay more attention to the ________ skills and show students the way to catch the main ideas.

A．meaningful B．careful

C．practical D．acceptable

答案与解析：C　practical"实用的"符合题意。meaningful"有意义的"；careful"仔细的"；acceptable"可接受的"。

6．If Newton lived today，he would be surprised by what has been ________ in science and technology.

A．diagnosed B．discovered

C．ignored D．determined

答案与解析：B　discover"发现"。句意：如果牛顿活到现在，他将会对迄今为止在科技上的发现惊讶不已。diagnose"诊断"；ignore"忽略"；determine"决定"。

7．I call him ________；even when there is not much to say.

A．now and then B．by and by

C．step by step D．more or less

答案与解析：A　now and then表示"不时地，偶尔"。句意：我不时给他打个电话，尽管有时候也没有太多的话要说。by and by表示"不久，马上"；step by ste