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復(fù)數(shù),表示不確定的數(shù)量,固定短語(yǔ)。D.C.B.18.There were about six___________ students in the school building during the earthquake. A.two,2,是基數(shù)詞,所以用million,故選A。millions of【答案】 A 【解析】【分析】句意:保險(xiǎn)公司付給李先生兩百萬(wàn)美元為了他被偷來(lái)的花瓶。C.millions17.The insurance pany paid Mr Li two___________ dollars for his stolen vase. A.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。D.C.B.s got ______________ them. A.s fifties。 【點(diǎn)評(píng)】考查數(shù)詞的用法及固定搭配。in one39??栺R克思在他五十多歲時(shí)開始學(xué)習(xí)英語(yǔ)。D.C.B.s never too old to learn. Karl Marx began to learn English in his ________. A. 【點(diǎn)評(píng)】考查數(shù)詞,注意millions of的用法。D.million ofB.million掌握時(shí)代的表達(dá)方式。s fifties在某人五十多歲時(shí);故選D。In the 1870s, in his fifties【答案】 D 【解析】【分析】句意:在十九世紀(jì)七十年代,馬克思已經(jīng)五十歲了,他覺得研究俄國(guó)的形勢(shì)很重要,便開始學(xué)習(xí)俄語(yǔ)。In the 1870s, in fiftiesB.In 1870s, in his fifties【點(diǎn)評(píng)】考查數(shù)詞,注意定冠詞后是序數(shù)詞的用法。這是我第五次參觀順豐公園,我想第六次去參觀。D.C.B.s the ______ time for me to visit the Shunfeng Park. And I want to visit it a sixth time. A. 【點(diǎn)評(píng)】考查數(shù)詞用法,注意平時(shí)識(shí)記其區(qū)別。基數(shù)詞;,基數(shù)詞;,序數(shù)詞。seventieth【答案】 C 【解析】【分析】句意:——今年我們將慶祝第七十個(gè)國(guó)慶節(jié)。B.seventyNational Day this year. —That39。ll celebrate the 【點(diǎn)評(píng)】考查數(shù)詞,注意表示世紀(jì)和年齡的用法。in the+四位數(shù)的整數(shù)復(fù)數(shù)形式,在……世紀(jì)……年代,in one39。in the 1970s。 in fiftieth in the fiftiethC.B. in their fifties10.Most of the doctors in this hospital were born ________, and they are ________now. A.表示幾歲的生日,要用序數(shù)詞,因此排除A、B;又因前面有物主代詞her,因此不用加定冠詞,故選D。seventieth【答案】 D 【解析】【分析】句意:我們?yōu)槲覀兊膰?guó)家感到驕傲。C.the seventy9.We are proud of our country. The year 2019 is her ____ birthday. A.根據(jù)常識(shí)可知七月是一年中第七個(gè)月,所以用序數(shù)詞seventh,故選C。因?yàn)樵谶@個(gè)月暑假開始了。D.C.B.8.—Which month of the year do you like best? — July, the _________ month, because summer vacation begin in this month.A. 【點(diǎn)評(píng)】此題考查分?jǐn)?shù)和主謂一致。分?jǐn)?shù)的構(gòu)成 分子用基數(shù)詞,分母用序數(shù)詞,當(dāng)分子大于一時(shí),分母用復(fù)數(shù)。Two fifths, are【答案】 D 【解析】【分析】Second fifths, isSecond fifths, areTwo fifths, is注意序數(shù)詞表示再一,又一的用法。one一;first第一;two二;second第二,根據(jù) Hi, Ted!