Unit 5 Meeting your ancestors课时作业

learning about language

Ⅰ.单词拼写

　　1．It is easy to be sceptical (怀疑的) about such online communities.

　　2．The road became narrower and rougher and eventually (最后) petered out.

　　3．No one could foresee (预见) his breaking up with his wife.

　　4．This movie is an adaptation (改编本) from a real story.

　　5．Exercise is one of the key components (组成成分) of a healthy lifestyle.

　　6．A large percentage (百分率) of the hotel's income is from the visitors to the lake nearby.

　　7．To get as much first­hand information as possible, inspectors will hold workshops and distribute (分发) questionnaires, won't they?

　　8．Stick to your principles (原则) and tell him you won't do it.

　　9．It took more than building supplies to construct (建造) these energy­saving houses. It took brains, too.

　　10．Relying too much on care in the family has its drawbacks (缺点)．

Ⅱ.单项填空

　　1．No longer has she kept in ________ with us since she went abroad for further education.

　　A．information　　　　　　 B．touch

　　C．impression D．task

　　解析：选B　句意：自从出国留学后，她就不再和我们保持联系了。keep in touch with sb."和某人保持联系"，固定短语，故B项正确。

　　2．Don't delay ________ the decision, or you will lose the chance.

　　A．to make B．making

　　C．make D．to be made

　　解析：选B　句意：做决定不要耽搁，否则你会失去这个机会。delay"耽搁，延误"，后接名词或者动名词作宾语。

　　3．I still hadn't ________ my watch so I didn't know the time.

　　A．took up B．wound up

　　C．come up D．turned up

解析：选B　句意：我还没给手表上发条，所以我不知道时间。take up "占据，开始