In some species of cricket, the number of chirps per minute used by the male for attracting females
rise and fall in accordance with the surrounding temperature, and they can in fact serve as an
approximate thermometer.
(A) for attracting females rise and fall in accordance with the surrounding temperature, and they can
in fact serve
(B) for attracting females rises and falls in accordance with the surrounding temperature, which can
in fact serve
(C) in attracting females rise and fall in accordance with the surrounding temperature, in fact
possibly serving
(D) to attract females rises and falls in accordance with the surrounding temperature, and it can in
fact serve
(E) to attract females rises and falls in accordance with the surrounding temperature, in fact
possibly serving
句子结构: …, the number of… rises and falls…, and it can… serve as…作者: 蜂鸣 时间: 2010-7-27 17:23
此题的考点
逻辑表达（Logical Predication）主谓一致（Agreement）
1) 若在题中的划线部分(即A选项)中出现情态动词,那么在最后的正确答案中必须有此情态动词或类
似语气的词出现, 实战中,不含此情态动词或类似语气词的选项均为错误选项,立即排除. 情态动词也
不可随意添加,原句中没有情态动词,选项中随意添加也为错误选项
2) the number of + 复数名词作主语,谓语动词用单数形式; a number of + 复数名词作主语, 谓语动
词用复数
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