9．-Who should be responsible for the accident?

　　-The boss，not the workers.They just carried out the order____________.

　　A．as told B．as are told

　　C．as telling D．as they told

　　解析：　句意为：--谁该为这次事故负责？--应该是老板，而不是员工。他们只是按被告知的方式执行命令。as told的完整形式是as they were told。在as，if，when等引导的状语从句中，如果从句主语与主句相同，常将主语和动词be省略。

　　答案：　A

　　10．-Why don't you like it?

　　-There must be some ____________；I remember I ordered a smaller model.

　　A．shortcoming B．performance

　　C．misunderstanding D．approach

　　解析：　句意为：--你为什么不喜欢它？--准是搞错了。我记得我订购的是更小型号的。misunderstanding误解，误会，符合题意。shortcoming缺点；performance表演；approach方法。

　　答案：　C

　　11．He____________to the river to save the drowning boy，ignoring his personal danger.

　　A．sank B．avoided

　　C．dashed D．settled

　　解析：　句意为：他不顾个人安危冲进河中救那个溺水的男孩。dash猛冲，突进，符合题意。sink下沉；avoid避免；settle使定居，安排，解决。

　　答案：　C

　　12．People have always been curious____________how living things on the earth exactly began.

　　A．in B．at

　　C．of D．about

　　解析：　句意为：人们一直对地球上的生命是如何确切开始的感到好奇。be curious about为固定搭配，意思是"对......感到好奇的"。

　　答案：　D

　　13．You'd better tell me the truth right now in order to avoid ____________.

A．punished B．punishing