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。D.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。A第一,B第二,C一,D二,限定詞+序數(shù)詞+名詞,第幾個(gè)......,選項(xiàng)C和D是基數(shù)詞,故排除,根據(jù) Li Hua is going to be an elder brother,可知是二胎,及第二個(gè)孩子,故選B。 【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(yǔ)境選擇序數(shù)詞的用法。19._________ of the world39。s books and newspaper are written in English. A.Three quarterB.Three of quartersC.Third fourthsD.Three fourths【答案】 D 【解析】【分析】句意:世界上四分之三的書(shū)報(bào)是用英語(yǔ)寫(xiě)的。英文中分?jǐn)?shù)的表示方法,分子用基數(shù)詞分母用序數(shù)詞,分子大于一,分母應(yīng)加s。應(yīng)該是 three fourths ,故選D。 【點(diǎn)評(píng)】考查英文中分?jǐn)?shù)的寫(xiě)法。20.Americans eat vegetables per person today as they did in 1910. 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(guó)人現(xiàn)在每個(gè)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(jié)構(gòu)前,是……的兩倍多,故選D。 【點(diǎn)評(píng)】考查倍數(shù)的表達(dá)方式。21.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(shí)用形容詞large或big,因此是twice as large as,故選B。 【點(diǎn)評(píng)】考查倍數(shù)的表達(dá)方式。22.Having introduced the new equipment, our factory turned out in 2004 as the year before. A.cars three times as many asB.three times as many carsC.as many cars as three rimesD.three times more cars than【答案】 B 【解析】【分析】句意:在引進(jìn)新設(shè)備后.我們的工廠(chǎng)在2004年的產(chǎn)量是前一年的三倍。倍數(shù)+as+形容詞+as+,……是……倍,固定搭配,故選B。 【點(diǎn)評(píng)】考查倍數(shù)的表達(dá),注意倍數(shù)+as+形容詞+as的用法。23.The total number of the citizens in the city has increased to over four _________ this year. A.millionB.millionsC.a millionD.millions of【答案】 A 【解析】【分析】句意:這個(gè)城市市民總數(shù)今年已經(jīng)增長(zhǎng)到了四百萬(wàn)。million意思是百萬(wàn),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(wàn)計(jì)的,固定短語(yǔ);前面有具體數(shù)字four,四,因此用million,故選A。 【點(diǎn)評(píng)】此題考查數(shù)詞。注意hundred,thousand,million的使用規(guī)則。24.—How many American students came to visit your school yesterday? — Ten. Seven are from New York, and the other _____ are from Boston.A.twoB.threeC.fourD.five【答案】 B 【解析】【分析】句意:——昨天多少美國(guó)學(xué)生來(lái)參觀了你