2.Having won a series of matches against Germans,Wang Hao and his partners,together with their coach,waved their hands excitedly to　 　　the cheers of the crowd.

A.admit　　　　　　 B.acknowledge

C.absorb　　　　　　sider

解析：动词词义辨析。句意为：赢得了对德国队的几场比赛后，王皓和他的队友们以及他们的教练兴奋地挥手对大家的欢呼表示感谢。acknowledge在这里表示 “就……表示感谢”；admit “承认”；absorb “吸收；使全神贯注”；consider “考虑，思考”。

答案：B

1.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

解析：考查冠词用法。pollution是不可数名词，air pollution是泛指，所以不用冠词；后一个空格处特指全世界的天气，用定冠词the。

答案：A

5.Don’t touch it!Leave it just as it is now.

4.The eye reacts to light.

3.They work hard to struggle for the recognition of the society.

2.Mary is quite equal to Bill in brains.

5.别碰它！让它保持原样。(as)

答案：1.If it comes to a fight,you can depend on me.

4.眼睛对光起反应。(react to)

3.他们为了得到社会的认可而努力工作。(struggle)

2.玛丽跟比尔一样聪明。(equal)