【正文】
to be an elder brother,可知是二胎,及第二個孩子,故選B。19.Last week, five ____ students took part in the sports meeting in our school A.B.C.D.根據(jù)句子前面有five,可知hundred后面不加s,hundreds of和thousands of前面不用數(shù)詞修飾,故選B。20.Ten years ago the population of our village wasas twice large astwice as large astwice as much asas 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。 【點評】考查倍數(shù)的表達方式。 guests sank in the Tigris River in central Baghdad late on Thursday, leaving at least eight people dead and several others missing. A.B.C.D.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?cè)藬?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。22. Two fifths。Two fifth。Two fifth。Two fifths。分數(shù)由基數(shù)詞和序數(shù)詞構(gòu)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。 【點評】考查分數(shù)的表達和be動詞用法。23.The pany decided to spend about five millionsB.million ofD.million表示確數(shù)時也就是和具體的數(shù)字連用要用單數(shù),表示概數(shù)用millions of,five是具體的數(shù)字,因此用million,故選B。24.About of the work will soon be finished. A.two threesC.two thirds【答案】 D 【解析】【分析】句意:大約三分之二的工作將很快被完成。 【點評】考查分數(shù)詞的表達法。clock. —Don39。s still _________ minutes left. It39。twelfthB.twentyD.——不用著急!還有20分鐘。A第十二;B十二;C二十;D三十,根據(jù)It39。 【點評】考查數(shù)詞,準確掌握數(shù)詞的寫法。hundred。hundreds of。hundred。hundreds。當你進入山谷時,你會看到有四百多種蝴蝶飛來飛去。 【點評】考查數(shù)詞和連詞,注意根據(jù)You will see的語境選擇合適的用法。TwoB.SecondD.A基數(shù)詞,二,B兩次,頻率副詞,C序數(shù)詞,第二,D第二個......,根據(jù) How often,可知提問頻率,故用表示次數(shù)的詞,故選B。28._______people visited Hongyadong, Chongqing on May Day this year. A.Thousands ofC.thousand千,有具體的數(shù)字修飾需用原形;和of連用則用復數(shù)形式,意思是成千上萬的,前面沒有具體的數(shù)字,因此用復數(shù)形式,故選B。注意hundred,thousand和million的使用規(guī)則。 The number,first fourthB.A number,one secondA number,three quarters【答案】 B 【解析】【分析】句意: 我們學校的教師總數(shù)是118人,其中有4分之1是女教師。 【點評】考查分數(shù)的表達,注意分子用基數(shù)詞分母用序數(shù)詞表示分數(shù)的用法。In 1870s, in his fiftiesB.In the 1870s, in fiftiesIn the 1870s, in his fifties【答案】 D 【解析】【分析】句意:在十九世紀七十年代,馬克思已經(jīng)五十歲了,他覺得研究俄國的形勢很重要,便開始學習俄語。s fifties在某人五十多歲時;故選D。掌握時代的表