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。B.twoC.thirdD.three【答案】 C 【解析】【分析】句意:校長的辦公室在三樓。one一個,two兩個,third第三,three三個。根據(jù)句意可知,此處需要填入的意義為第三層,故應該用序數(shù)詞,故選C。 【點評】考查了序數(shù)詞與基數(shù)詞辨析,注意兩者意義的區(qū)分。14.______ of the students in our school are boys. A.Two threeB.Second threeC.Two thirdsD.Two third【答案】 C 【解析】【分析】句意: 我們學校的學生中有三分之二是男生。分數(shù)詞是分子是基數(shù)詞,分母是序數(shù)詞,分子大于一,分母加s,因此二分之一是two thirds,故選C。 【點評】考查分數(shù),注意分子是基數(shù)詞,分母是序數(shù)詞,分子大于一,分母加s的用法。15.Last week, five ____ students took part in the sports meeting in our school A.thousandsB.hundredC.hundreds ofD.thousands of【答案】 B 【解析】【分析】句意:上周,我們學校5百名學生參加了運動會。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。 【點評】考查數(shù)詞辨析,注意hundred的用法。16.How to read 85, 626 in English? A.eightyfive thousands, six hundreds and twentysixB.eightyfive thousand, six hundred and twentysixC.fiftyeight thousand, six hundred and twentysixD.eightyfive thousands, six hundred and twentysix【答案】 B 【解析】【分析】句意:用英語怎樣讀85, 626?英語數(shù)學詞的讀法是:從右往左每三個數(shù)字是一組,用逗號隔開,從右往左第一個逗號讀hundred,百位和十 位間用and連接,所以讀作eightyfive thousand, six hundred and twentysix,故選B。 【點評】考查數(shù)學詞的讀法,注意平時識記其讀法規(guī)則。17.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?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。 【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。18.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(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。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(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)。19.Mr. King bought his son a new bike as a gift for his birthday. A.nine160