One-thirdofthearea________coveredwithtrees.Aboutseventypercentofthetre

发布时间:2020-08-04 03:33:49

One-third of the area ________ covered with trees. About seventy percent of the trees _______ been planted recently.A.is; hasB.is; haveC.are; haveD.are; has

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B解析试题分析:考查主谓一致:当主语被分数或百分数修饰时,谓语和后面的名词一致,第一空One-third of +单数名词+单数谓语,第二空seventy percent of +复数名词+复数谓语,句意:三分之一的地区被绿树覆盖。已经种植了大约百分之七十的树木。选B。考点:考查主谓一致

点评:主谓一致的考点较多,要在理解的基础上加以记忆,多练习加以巩固。这里考查的是如果当主语被分数或百分数修饰时,谓语和分数或百分数后面的名词一致。
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