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A.hundredsC.two hundreds of【答案】 C 【解析】【分析】句意:每年有數(shù)百的游客參觀北京。 【點(diǎn)評(píng)】考查數(shù)學(xué)詞表達(dá),注意平時(shí)識(shí)記。twelve, ninthtwelve, ninethtwelfth, ninthtwelfth, nineth【答案】 A 【解析】【分析】句意:一年分為十二個(gè)月。第一個(gè)空格后有month,月,可數(shù)名詞復(fù)數(shù)monthes,其前要用基數(shù)詞表示數(shù)量。要用ninth第九。 【點(diǎn)評(píng)】考查基數(shù)詞和序數(shù)詞。21.— 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。22.Li Hua is going to be an elder brother. His parents are planning to have their ________child. A.secondC.two【答案】 B 【解析】【分析】句意:李華要當(dāng)哥哥了,他的父母計(jì)劃生二胎。 【點(diǎn)評(píng)】考查數(shù)詞,注意根據(jù) Li Hua is going to be an elder brother的語境選擇序數(shù)詞的用法。of the land in that districtcovered with trees and grass. A. isB. areC. isD. 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。且land 作為集體名詞是不可數(shù)名詞,謂語應(yīng)用單數(shù)形式,所以用is,故選A。注意分?jǐn)?shù)的表達(dá),分?jǐn)?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(shí),分母用復(fù)數(shù)。nineninththe ninththe nine【答案】 B 【解析】【分析】句意:Mr. King給他兒子買了一輛新自行車作為他第九個(gè)生日的禮物。 【點(diǎn)評(píng)】考查序數(shù)詞。25.The total number of the citizens in the city has increased to over four _________ this year. A.B.C.D.million意思是百萬,當(dāng)和具體數(shù)字連用時(shí),不加s,后面也不加of; 而millions of意思是數(shù)以百萬計(jì)的,固定短語;前面有具體數(shù)字four,四,因此用million,故選A。注意hundred,thousand,million的使用規(guī)則。d love to, but it39。s ______ birthday and we will have a celebration. A.ninetiethC.表示某人多少歲的生日,是第幾個(gè)生日,應(yīng)該用序數(shù)詞,第九十,ninetieth,故選B。注意序數(shù)詞的拼寫和用法。twothreefourfive【答案】 B 【解析】【分析】句意:——昨天多少美國學(xué)生來參觀了你們學(xué)校?——十個(gè),七個(gè)來自紐約,其他的三個(gè)來自波斯頓。一共十個(gè)人,七個(gè)是紐約的,剩下的三個(gè)就是波斯頓的,故答案是B。主意結(jié)合語境思考問題并解決問題。ThousandB.Thousand of【答案】 B 【解析】【分析】句意:今年五一勞動(dòng)節(jié)那天,成千上萬的人參觀了重慶紅巖洞。 【點(diǎn)評(píng)】考查數(shù)字表達(dá)法辨析。29.There are abouteight hundredB.eight hundred ofD.hundred,百,與基數(shù)詞搭配時(shí),不用復(fù)數(shù)。 【點(diǎn)評(píng)】考查數(shù)詞用法。30._______, when Marx was already _______, he found it was important to study the situation in Russia, so he began to learn Russian. A.In 1870s, in fiftiesC.D.in the 1870s十九世紀(jì)七十年代;in one39。 【點(diǎn)評(píng)】考查時(shí)代的表達(dá)方式和固定短語。