解析　句意为：--我可以打开窗子放进来点新鲜空气吗？--开吧！C项意为"请便"，用于回答别人的请求，可译为"去吧，好吧，说吧，干吧"等。

6．The bad weather________the completion of the task in time.

A．had an influence on B．had influence in

C．had an influence in D．had influence on

答案　A

解析　句意为：坏天气影响了工作的及时完成。考查influence的用法，"对......有影响"应为have an influence on。

7．Each soldier and each sailor ________ given a thick coat.

A．are B．was C．being D．were

答案　B

解析　用and连接多个each修饰的名词作主语，强调整体概念，谓语动词用单数形式。

8．He explained to the class what he suggested ________his idea ________.

A．to make；accepted B．making；agreed to

C．should make；receive D．make；passed

答案　A

解析　to make表目的；make his idea accepted是make跟复合宾语；accepted作宾补，表被动。

9．Some people fear that ________ air pollution may bring about changes in ________ weather around the world.

A．/；the B．the；/ C．an；the D．the；a

答案　A

解析　第一空表泛指，且pollution为不可数名词；第二空weather后有定语修饰，故其前用the。

10．It is generally considered unwise to give a child ________he or she wants.

A．however B．whatever

C．whichever D．whenever

答案　B

解析　考查定语从句。句意为：人们普遍认为无论孩子要什么都给他(她)是不明智的。故用whatever引导宾语从句，whatever在从句中作want的宾语。

11．He was angry that it's forbidden to ________ himself a Jew.

A．declare B．explain

C．suggest D．announce

答案　A