China has recently ______ its waters controls near the Diaoyu Islands to prevent Chinese fishing boats from ______ in the East China Sea．A.show up; attackingB.taken up; having attackedC.stepped up; being attackedD.picked up; having been attacked
网友回答
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。考点：考查词组辨析
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。