______of the earth ______ covered by water.A. Two thirds; is B. Two thir
题型：不详难度：来源：
______of the earth ______ covered by water.
A. Two thirds; is B. Two thirds; are C. One thirds; is |
答案
| A |
解析
试题分析：句意：地球的三分之二被水所覆盖。在英语中分子用基数词表达，分母用序数词表达如果分子大于1，分母变复数。分数，作主语时，根据其后接的词而定，如果为不可数名词，则相当于单数，如果其后接的为可数名词复数形式，则相当于复数。故选A |
举一反三
_______ the teachers in the school is one hundred, and ________ of them are women teachers.| A．A number of; four-fifth | B．The number of; four-fifth | | C．A number of; four-fifths | D．The number of; four-fifths |
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Tree Planting Day is on ______ of March. | A．twelve | B．the twelve | C．twelfth | D．the twelfth |
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I saw children in the classroom, five boys and seven girls.| A．nine | B．thirteen | C．eleven | D．twelve |
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_____ of the water _____ polluted. We must try to protect our environment.| A．Two third; are | B．Two third; is | C．Two thirds; are | D．Two thirds; is |
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How much did it cost to build the science lab? Five ____ yuan.
A. millions B. million C. millions of |
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