China has recently ______ its waters controls near the Diaoyu Islands to prevent

题型：不详难度：来源：

China has recently ______ its waters controls near the Diaoyu Islands to prevent Chinese fishing boats from ______ in the East China Sea．

A．show up; attacking	B．taken up; having attacked
C．stepped up; being attacked	D．picked up; having been attacked

答案

C

解析

试题分析：考查词组：A. show up出现B. taken up从事，占据C. stepped up加紧D. picked up收听，捡起，习得，恢复，第一空填stepped up ，第二空考查prevent sb from doing阻止某人做…, Chinese fishing boats he attack是被动关系，用不定式的进行式。being attacked，句意：中国最近加紧在钓鱼岛附近水域的控制，为了防止在中国东海中国渔船被袭击。选C。
点评：本题考查了由不同动词加相同的名词构成的短语，要注意一词多义的现象。还有结合上下选择适当的选项。