题目内容
17.The disappearance of dinosaurs is not necessarily caused by astronomical incidents.But _________explanations are hard to find.( )A. | alternative | B. | aggressive | C. | ambiguous | D. | apparent |
分析 恐龙的消失不一定是由天文事件引起的,但却很难找到能替代的解释.
解答 答案:A
考查形容词辨析.alternative可替代的;aggressive进取的、侵略的;ambiguous暧昧的,模糊的;apparent明显的.根据句意可知只有A符合题.
点评 考生在平时要加大词汇的记忆积累,尤其是形似的一些形容词.
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