Unit 3 Inventors and inventions grammar课时作业

　　一、打牢语言基础，基稳才能楼高

　　[单元语言点综合练习]

　　Ⅰ.单项填空

　　1．The watch was so beautiful and it happened to be 40% off, so I couldn't resist ________ it.

　　A．to buy　　　　　　　 　B．buying

　　C．to be bought D．being bought

　　解析：选B　句意：这块手表非常漂亮而且碰巧打六折，所以我就忍不住买了它。resist doing sth.意为"抵住做某事的诱惑"，且I与buy之间为主动关系，故选B项。

　　2．He holds a(n) ________ attitude towards life, so he always looks happy.

　　A．optimistic B．pessimistic

　　C．average D．desperate

　　解析：选A　句意：他对生活持有乐观的态度，所以他看上去总是很高兴的样子。optimistic"乐观的"，符合句意。pessimistic"悲观的"；average"平均的"；desperate"绝望的"。

　　3．(江苏高考)The doctor is skilled at treating heart trouble and never accepts any gift from his patients, so he has a very good ________.

　　A．expectation B．reputation

　　C．contribution D．civilization

　　解析：选B　句意：这位医生在治疗心脏病方面技术精湛，并且从不接受病人的礼物，所以他获得了非常好的名声。既然技术精湛且不收礼，必然会有好的"名声"(reputation)。expectation"期望，预料"；contribution"贡献"；civilization"文明"。

　　4．Maybe Mr.Green is really in ________ debt, for he is losing ________ weight quickly.

　　A．/; his B．/；/

　　C．the; / D．a; /

　　解析：选B　句意：可能格林先生真的欠债了，因为他瘦得很快。be in debt"欠债"，lose weight"减轻体重"，均为固定短语。

　　5．Henry would rather his mother ________ in the school where he is studying.

A．not work B．not worked