C．set up D．set aside

答案　B

解析　set off引发，符合句意。set out 动身，出发；set up搭建，创办；set aside把......放在一旁，忽视。

12．The companies are working together to create ________ they hope will be the best means of transport in the 21st century.

A．which B．that

C．what D．who

答案　C

解析　what 在此引导宾语从句，并在从句中作主语，相当于the thing that。

13．The color and style________me but the size doesn't________me.

A．fit；suit B．suit；fit

C．fit；fit D．suit；suit

答案　B

解析　"花色、款式"适合应用suit；"尺寸、大小"适合应用fit。

14．Perseverance is a kind of quality-and that's ________ it takes to do anything well.

A．what B．that

C．which D．why

答案　A

解析　此处考查表语从句引导词的用法。因为表语从句中take缺少宾语，因此所选项既要起引导从句的作用，又要作take的宾语，即具有"双重作用"，故只有what正确。

15．The scientist________ the behavior of the mice after they were given the drug.

A．looked B．observed

C．noticed D．watched

答案　B

解析　由句意可知，此处是指从不同的角度观察并研究，observe符合题意。

第二节　完形填空

请认真阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项。

One evening，Mr.Green was driving his car along a lonely country road.He had __16__￡10,000 from the bank in town.Suddenly a man in rags stopped him and asked for __17__.Mr.Green told him to get on it and continued his way.__18__ he talked to the man，he __19__ that he had just broken out of prison.Mr.Green was very afraid at the __20__ of the money.Suddenly he saw a police car and had a __21__ idea.He __22__ speed and drove as quickly as possible.Then he found the police car running __23__ him.After a mile __24__ the police car passed him and ordered him to stop.A policeman came up.Mr.Green had hoped to tell the