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ks. A.two hundreds and fortyC.表示數(shù)量246時(shí),百位與十位之間要用and連接,且hundred被具體數(shù)字修飾時(shí),用單數(shù)形式。 【點(diǎn)評(píng)】考查數(shù)學(xué)詞表達(dá),注意平時(shí)識(shí)記幾百幾十幾的表達(dá)。TwelveyearsoldTwelveyearoldsTwelve years oldTwelve year olds【答案】 B 【解析】【分析】句意:12歲的孩子不應(yīng)該被允許夜晚出去。 【點(diǎn)評(píng)】考查數(shù)量詞作定語(yǔ)的用法。 should not be allowed to drive. A.Sixteen years oldC.Sixteen year olds【答案】 C 【解析】【分析】句意:16歲的青少年不允許開車。結(jié)合句意,故答案為C。注意識(shí)記名詞sixteenyearolds。ten million often millionsmillion ofmillions of【答案】 D 【解析】【分析】句意:2010年,來(lái)自世界各地的數(shù)百萬(wàn)人來(lái)到上海觀看世博會(huì)。ten10,基數(shù)詞,所以用ten million,排除A、B,故選D。11.It39。fifthfivefifthsthe five【答案】 A 【解析】【分析】句意:A序數(shù)詞,第五,B基數(shù)詞,五,根據(jù)the定冠詞可知,定冠詞后是序數(shù)詞,故選A。12.Two ________ students ________ to the opening ceremony last Friday. A. were invitedB. were invitedC. invitedD. invited【答案】 B 【解析】【分析】句意: 兩百名學(xué)生被邀請(qǐng)參加了上周五的開幕式。 【點(diǎn)評(píng)】考查數(shù)詞和被動(dòng)語(yǔ)態(tài)。13.There were about six___________ students in the school building during the earthquake. A.B.C.D.hundred,百,基數(shù)詞,表示具體的數(shù)量,其前要用基數(shù)詞;hundreds of +可數(shù)名詞復(fù)數(shù),表示不確定的數(shù)量,固定短語(yǔ)?!军c(diǎn)評(píng)】考查基數(shù)詞hundred的用法。14.There are ______________ months in a year. December is the ______________ month of a year. A. twelveB. twelfthC. twelfthD. twelve【答案】 C 【解析】【分析】句意:一年有十二個(gè)月,十二月是一年中的第十二個(gè)月。故選C。注意twelfth的書寫。s office is on the oneB.thirdD.one一個(gè),two兩個(gè),third第三,three三個(gè)。 【點(diǎn)評(píng)】考查了序數(shù)詞與基數(shù)詞辨析,注意兩者意義的區(qū)分。s got ______________ them. A.B.C.D.表示確切數(shù)字時(shí)用基數(shù)詞+million,幾百萬(wàn);表示非確切數(shù)字時(shí)用millions of,數(shù)百萬(wàn)的,固定搭配,故選B。17.ThousandB.ThousandsD.橫線后面沒(méi)有具體數(shù)字,因此用thousands of,成千上萬(wàn)的......,故選D。18.— It39。s her _____ time to get the first prize.A.sixthC.the sixth【答案】 B 【解析】【分析】句意:——很高興聽到杰西J最終獲得了歌手之王。根據(jù)句意可知此句需要序數(shù)詞,因前面有物主代詞her,定冠詞the要省略,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