校联考)

A.have focused on B.has been focused on

C.have been focusing on D.has been focusing on

答案　D　[句意：在过去的五年中，中国政府一直在致力于解决PM2.5问题，它对于大众的健康是最危险的污染物。由句子中的时间状语"Over the past five years"和句意可知，此处表示从过去某一时间开始一直持续到现在的动作，并且还将持续下去，应该用现在完成进行时态；句子的主语是the Chinese government，谓语动词应用第三人称单数。]

10.Although a gorilla won't talk，________ it can use body language to answer back and forth.It is the same with the way the other animals communicate.

A.moreover B.nevertheless

C.somehow D.therefore

答案　B　[句意：尽管大猩猩不会说话，但是它能够运用肢体语言来回应。这与其他动物的交流方式是一样的。根据句意可知应选择nevertheless "然而，不过"。moreover "此外，而且"；somehow "不知何故"；therefore "因此"。]

11.Small and distant from cities ________ my hometown is，there is always something different to catch your eye.

A.though B.even if

C.however D.while

答案　A　[句意：尽管我的家乡不大并且远离城市，但是总会有别样的东西吸引你的注意。分析从句的句型结构不难看出，此处考查的是让步状语从句的倒装，具有这样用法的连词有as和though，故本题答案为A。]

12.Last year Collins wrote a moving song which ________ the hardship of the homeless.

A.symbolized B.declared

C.emphasized D.relieved

答案　C　[句意：去年，柯林斯写了一首动人的歌曲，突出(描绘)了无家可归者的苦境。symbolize "象征"；declare "宣告"；emphasize "使突出，使明显"；relieve "缓解"。]