解析　考查状语从句。句意为：我要出去一下。万一有什么重要的事，马上给我打电话。In case万一，以防，引导条件状语从句；as if好像，引导方式状语从句；even though虽然，尽管，引导让步状语从句；now that既然，引导原因状语从句。根据句意选A项。

6．Although he is often tired________ his work，he is never tired ________his job. In fact，he enjoys it.

A．of；with B．with；from

C．with；of D．at；with

答案　C

解析　be tired with因......而疲劳；be tired of厌烦......。

7．Jack ________in the lab when the power cut occurred.

A．works B．has worked

C．was working D．would work

答案　C

解析　考查时态。句意为：杰克正在实验室里工作这时突然停电了。be doing...when...(某人)正在做某事，这时......，是固定句式。由occurred可知停电是发生在过去的某一具体时刻，故用过去进行时，选C。

8．He telephoned the travel agency to________ three air tickets to London.

A．order B．arrange

C．take D．book

答案　D

解析　句意为：他给旅行社打电话预定三张去伦敦的机票。order订购；arrange安排；take买；book预定。因为是打电话，所以是预定，故选D项。

9．If we sit near ________front of the bus，we'll have ________better view.

A．/；the B．/；a

C．the；a D．the；the

答案　C

解析　句意为：如果我们坐在公共汽车的前部，就会有更好的视野。the front of.........的前部(指某一范围内的前部)；have a good view是习惯搭配，表示"视野开阔，视野良好"，故选C项。

10．-The Chinese men's basketball team won the champion in the final of the Asian championship in Changsha on Oct. 3rd, 2015.

-Fantastic！It is the 16th time in history that China ________the honorable award.

A．got B．had got