一步地；mouth to mouth嘴对嘴地。根据句意可知，A项正确。]

6．Though ________to see us，the professor gave us a warm welcome.

A．surprise B．surprised

C．surprising D．being surprised

答案　B　[句意：尽管教授在看到我们时很惊讶，但他还是热情欢迎了我们。"surprised"形容词作状语，表示"感到惊讶的"的意思。]

7．The silly girl got_____in a burglary( 入室盗窃)．She was taken in by a friend.

　　A．caught B．involved

　　C．attached D．connected

答案　B　[考查词义辨析。句意：这个傻女孩卷入一起入室盗窃案，她被一朋友骗了。get caught in"被卡住"；get involved in"卷入某事"；get attached to"喜欢，依恋"；be connected with"与......有关"。根据句意，B项正确。]

8．-Is there a movie on in the cinema tonight?

-There ________be.I will phone the cinema and find it out.

A．might B．should C．can D．could

答案　A　[根据下一句句意"我给电影院打电话确认一下"可知，回答者对今晚是否有电影不敢确定，故用might。]

9．She is dear to us.We have been prepared to do________it takes to save her life.

　　A．whichever B．however

　　C．whatever D．whoever

答案　C　[句意：她对我们来说很宝贵。我们已经准备好做一切来拯救她的生命。whatever"无论什么"，作do的宾语，符合题意。whichever "无论哪一个"；however"无论怎么样"；whoever"无论谁"，指人。]

10．We didn't know his telephone number；otherwise we ________him.

A．would have telephoned B．must have telephoned

C．would telephone D．had telephoned

答案　A　[该句为错综时间条件句，即从句表示的动作和主句表示的动作发生的时间不一致，这时动词的形式应根据表示的时间来调整。]

11．The taxi driver often reminds passengers to ________their belongings when they

leave the car.