【正文】
e as,故選B。 【點(diǎn)評(píng)】考查倍數(shù)的表達(dá)方式。25.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(shí)候在巴格達(dá)中部的底格里斯河沉了,造成至少八人死亡,而其他幾個(gè)人失蹤。根據(jù)可數(shù)名詞復(fù)數(shù)guests和 at least eight people dead and several others ,而其他幾個(gè)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(fù)數(shù)形式+of,表示概數(shù),故選A。 【點(diǎn)評(píng)】考查數(shù)詞, 注意數(shù)字的復(fù)數(shù)形式dozens of,幾十的用法。26.About of the students in our class were born in the . A.two thirds。 2000sB.two threes。 2000sC.two third。 2000D.two thirds。 2000【答案】 A 【解析】【分析】句意:我們班大約三分之二的學(xué)生出生在21世紀(jì)。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),因此三分之二的英文是 two thirds;in the 2000s,表示21世紀(jì),故選A。 【點(diǎn)評(píng)】考查分?jǐn)?shù)的表達(dá)和時(shí)間表達(dá)。注意分?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)。27.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。28.— Dad, of the apples gone bad. — Well, we39。d better eat up the rest as soon as possible.A.twothird。 haveB.twothirds。 haveC.two thirds, hasD.twothird, has【答案】 B 【解析】【分析】句意:——爸爸,蘋果有三分之二已經(jīng)壞了?!覀冏詈每禳c(diǎn)吃掉其余的。 分?jǐn)?shù)的表達(dá):分子為基數(shù)詞;分母為序數(shù)詞。分子大于一的分母用復(fù)數(shù);故排除A和D;分?jǐn)?shù)修飾名詞做主語時(shí),謂語動(dòng)詞與后面的名詞的數(shù)保持一致;apples是可數(shù)名詞復(fù)數(shù),故用動(dòng)詞原形。故選B。 【點(diǎn)評(píng)】此題考查數(shù)詞和主謂一致。掌握分?jǐn)?shù)的表達(dá)方式和主謂一致的用法。29.There are about two ________ students in the newly built school. A.thousandB.thousandsC.thousand ofD.thousands of【答案】 A 【解析】【分析】句意:在新建立的學(xué)校里大約有2000學(xué)生。表示確切數(shù)字時(shí)用基數(shù)詞+thousand,表示非確切數(shù)字時(shí)用thousands of。two是確切數(shù)字,故選A。 【點(diǎn)評(píng)】考查數(shù)學(xué)詞表達(dá),注意平時(shí)識(shí)記。30.It39。s never too old to learn. Karl Marx began to learn English in his ________. A.fiftiesB.fiftiethC.fiftyD.the fiftieth【答案】 A 【解析】【分析】句意: 活到老,學(xué)到老??栺R克思在他五十多歲時(shí)開始學(xué)習(xí)英語。in one39。s +整十?dāng)?shù)字的復(fù)數(shù)形式表示在某人……歲時(shí),固定搭配,fifty,基數(shù)詞,復(fù)數(shù)是fifties,所以,在他五十多歲時(shí)是in his fifties,故答案為A。 【點(diǎn)評(píng)】考查數(shù)詞的用法及固定搭配。在某人五十多歲時(shí)是in one39。s fifties。