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A.more than twiceB.as twice as manyC.twice as many asD.more than twice as many【答案】 D 【解析】【分析】句意:美國人現(xiàn)在每個人吃蔬菜的比1910年的兩倍還多。more than twice,表示數(shù)量,放在as … as結構前,是……的兩倍多,故選D。 【點評】考查倍數(shù)的表達方式。26.Ten years ago the population of our village was that of theirs. A.as twice large asB.twice as large asC.twice as much asD.as twice much as【答案】 B 【解析】【分析】句意:十年前,我們村子的人口是他們的兩倍。根據(jù)句意可知,這里考查的是表示倍數(shù)的句型,twice在這里的意思是兩倍,twice as…as,表示是……的兩倍,并且修飾人口眾多時用形容詞large或big,因此是twice as large as,故選B。 【點評】考查倍數(shù)的表達方式。27.A crowded floating restaurant boat loaded with guests sank in the Tigris River in central Baghdad late on Thursday, leaving at least eight people dead and several others missing. A.dozens ofB.dozen ofC.two dozens ofD.two dozens【答案】 A 【解析】【分析】句意:一只載有幾十名客人的擁擠的浮式餐廳船周四的晚些時候在巴格達中部的底格里斯河沉了,造成至少八人死亡,而其他幾個人失蹤。根據(jù)可數(shù)名詞復數(shù)guests和 at least eight people dead and several others ,而其他幾個人失蹤 ,可知總人數(shù)不確定,因此用固定搭配dozens of,幾十,數(shù)詞的復數(shù)形式+of,表示概數(shù),故選A。 【點評】考查數(shù)詞, 注意數(shù)字的復數(shù)形式dozens of,幾十的用法。28.of the land in that district covered with trees and grass. A.Two fifths。 isB.Two fifth。 areC.Two fifth。 isD.Two fifths。 are【答案】 A 【解析】【分析】句意:在那片區(qū)域五分之二的土地被樹和草覆蓋著。分數(shù)由基數(shù)詞和序數(shù)詞構成,分子用基數(shù)詞,分母用序數(shù)詞,分子大于1時,分母用復數(shù),所以五分之二的表達為two fifths。且land 作為集體名詞是不可數(shù)名詞,謂語應用單數(shù)形式,所以用is,故選A。 【點評】考查分數(shù)的表達和be動詞用法。注意分數(shù)的表達,分數(shù)由基數(shù)詞和序數(shù)詞構成,分子用基數(shù)詞,分母用序數(shù)詞,分子大于1時,分母用復數(shù)。29.There are 300 students in Grade Nine. About of the students were born in 2002. A.four fiveB.four fifthsC.fourth fiveD.fourth fifths【答案】 B 【解析】【分析】句意:九年級有300名學生。大約五分之四的學生出生于2002年。分數(shù)的表示方法:分子要用基數(shù)詞;分母要用序數(shù)詞,當分子大于1時,分母要用復數(shù)。故選B。 【點評】考查分數(shù)的表示方法。注意基數(shù)詞和序數(shù)詞的構成。30.Lin Tao, an ______ boy, was very brave and helped his classmates run out of the classroom when the earthquake happened. A.8yearoldB.8 year oldC.8yearsoldD.8 year olds【答案】 A 【解析】【分析】句意:林濤,八歲的男孩,很勇敢并且在地震發(fā)生時幫助他的同學從教室里跑出來。數(shù)量詞在句中作前置定語,注意量詞用單數(shù),并且?guī)нB字符號,故選A。 【點評】考查數(shù)量詞在句中作定語的用法。