7．Please go on trying.I'm sure the efforts you are________will pay off.

　　A．doing B．giving

　　C．making D．sparing

答案　C　[考查定语从句和动宾搭配。句意：请继续努力，我相信你付出的努力一定会有回报。efforts后是定语从句，根据搭配make efforts就可判断选择C。]

8．There is still a long way to go to solve all the problems ____conservation of natural resources.

A．concerning B．concerned

C．concerning about D．concerned about

答案　A　[concerning是介词，相当于about，意为"与......有关，关于"。]

9．-You should have prepared your speech for the meeting，Mrs Smith.

　　-Yes，I know.But how could I________the meeting date fixed so soon?

　　A．while B．as

　　C．after D．with

答案　D　[考查句式。在所给的选项当中，只有as与with有"由于、因为"之意，而as是连词，其后必须跟从句，所以不能用。只有with符合这一用法，构成复合结构，用作表示原因的状语，代词I之后省略了动词prepare。答语后句句意为：因为会议日期确定得太快了，我如何能准备好呢？]

10．As these new products are not selling well，the members of the board have decided to ________production.

A．cut down B．cut down to

C．cut down on D．cut off

答案　C　[cut down on 和cut back on可以互换，意为"削减，减少"。符合句意"由于这些新产品销量不佳，董事会成员决定削减产量"。]

11．The top leaders of the two countries are holding talks in a friendly ________.

A．atmosphere B．state C．situation D．phenomenon

答案　A　[in a friendly atmosphere在友好的氛围中。state状态；situation情况，形势；phenomenon现象。]

12．In those days，our ________concern was to provide people who were stopped by

the snowstorm with food and health care.

A．normal B．constant C．permanent D．primary

答案　D　[primary主要的，第一位的；primary concern 意为"主要关心的"。其他选项均与句意不符。]

13．Look，heavy clouds are gathering.A terrible storm is________.

A．under way B．in the way