【正文】
使用。19.—Dad, about of our classmates wear glasses. —Oh, that39。s terrible. You all should take good care of your eyes. A.three fourthB.third fourthC.third fourthsD.three quarters【答案】 D 【解析】【分析】句意:——爸爸,大約四分之三的同學(xué)戴眼鏡?!蓿钦婵膳?。你們都應(yīng)該好好照顧你們的眼睛。分子用基數(shù)詞,分母用序數(shù)詞,中間用連字符,若分子大于一,分母用復(fù)數(shù)形式。四分之三用three fourths或者three quarters,故選D。 【點(diǎn)評(píng)】考查分?jǐn)?shù)表達(dá),注意平時(shí)識(shí)記。20.We throw rubbish every year. A.ton ofB.tonsC.tons ofD.a ton of【答案】 C 【解析】【分析】句意:我們每年扔大量的垃圾。ton,噸,前面沒有具體數(shù)字,因此用tons of,大量的,故選C。 【點(diǎn)評(píng)】考查固定搭配,注意平時(shí)識(shí)記。21.A year is divided into ______ months. September is the _____ month of the year. A.twelve, ninthB.twelve, ninethC.twelfth, ninthD.twelfth, nineth【答案】 A 【解析】【分析】句意:一年分為十二個(gè)月。九月是一年中的第九個(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。twelve十二;第二個(gè)空格前有定冠詞the,空格后有可數(shù)名詞month,單數(shù),要用序數(shù)詞表示順序。要用ninth第九。根據(jù)故選A。 【點(diǎn)評(píng)】考查基數(shù)詞和序數(shù)詞。注意基數(shù)詞表示數(shù)量,序數(shù)詞表示順序。22.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。23.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。24.The pany decided to spend about five yuan building a school for the children in that small village. A.millionsB.millionC.million ofD.millions of【答案】 B 【解析】【分析】句意:公司決定花5百萬為那個(gè)小村莊的孩子們建一所學(xué)校。million表示確數(shù)時(shí)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。 【點(diǎn)評(píng)】考查數(shù)詞的用法,牢記數(shù)詞表示確數(shù)和概數(shù)的不同用法。25.About of the work will soon be finished. A.two thirdB.two threesC.two three