题目内容
14.As a result of the earthquake,a large ______ of earth ______ blocked several rivers here.( )A. | quantity;has | B. | number;has | C. | number;have | D. | quality;have |
分析 由于地震,大量的泥土阻断了当地的好几条河流.
解答 答案;A
a large number of"许多,大量的";后接可数名词的复数形式;a large quantity of"许多,大量的";后面既可接可数名词的复数也可接不可数名词;本句用来修饰不可数名词earth(泥土),所以第一个空填quantity;由于本句主语(a large quantity of earth)的中心词是不可数名词earth,所以谓语动词用第三人称单数形式;故选A
点评 本题考查了主谓一致,它主要指句中的主语和谓语动词在人称与数上要保持一致;通常当作主语的是不可数名词,数字,不定代词,一个句子或第三人称单数等情况下,谓语动词用第三人称单数形式(即在一般的动词后面加s或es);本题考查的是不可数名词作主语,所以谓语动词使用了第三人称单数形式.
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