【正文】
。thousands of,幾千,join sb,加入,和某人一起,故選A。s go and____________ them., join, be a member of thousand, take part in, be in【答案】A 【解析】【分析】句意:——2020年奧運會將需要幾千名志愿者。 【點評】考查數(shù)學(xué)詞表達,注意平時識記確切數(shù)字與非確切數(shù)字的表達。two millions of【答案】 B 【解析】【分析】句意:Tim喜歡收集硬幣,他已經(jīng)得到了它們中的數(shù)百萬。two million ofmillions ofmillion of29.Tim likes collecting coins, and he39。表達確切數(shù)字時用基數(shù)詞+million,表示幾百萬;表達非確切數(shù)字時用millions of,數(shù)百萬,故選D。D.C.B.28.Basketball is so exciting that ______ people play it for fun. A.數(shù)詞+hundred,幾百,用hundred 的單數(shù)形式,hundreds of,好幾百,不和數(shù)詞搭配,故排除B和D;進入山谷和看見蝴蝶之間是并列關(guān)系,因此用when, 當(dāng)……時,while表對比,until與not連用,if表假設(shè),均不符題意,故選A。 if【答案】 A 【解析】【分析】句意:在云南省,有一個以蝴蝶聞名的山谷。D. untilC. whileB. when27.In Yunnan province, there is a valley famous for its butterflies. You will see over four _______kinds of butterflies flying around ________ you get into the valley. A.s just 7:,故選C。才7點40。thirty【答案】 C 【解析】【分析】句意:——快點!火車將在8點鐘到達。C.twelves just 7:40.A.t worry! There39。26.—Hurry up! The train will arrive at 8 o39。 【點評】考查數(shù)詞。nintieth【答案】 B 【解析】【分析】句意:——嗨,杰克!放學(xué)后踢足球怎么樣?——我很樂意,但今天是我祖父的九十歲生日,我們要慶祝一下。B.ninetiths my grandfather39。25.—Hi, Jack! What about playing soccer after school? —I39。分數(shù)詞的表達法是,分子是基數(shù)詞,分母是序數(shù)詞,當(dāng)分子大于1的時候,分母要用復(fù)數(shù),三分之二,two thirds,故選D。D.two threeB.two third注意序數(shù)詞的用法。第九,應(yīng)用序數(shù)詞ninth,且前面有物主代詞his修飾,所以不能加定冠詞the,故選B。D.C.B. birthday. A.23.Mr. King bought his son a new bike as a gift for his 【點評】考查分數(shù)的表達和be動詞用法。分數(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,分母用復(fù)數(shù),所以五分之二的表達為two fifths。Two fifths。Two fifth。Two fifth。Two fifths。 22.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。D.C.B. guests sank in the Tigris River in central Baghdad late on Thursday, leaving at least eight people dead and several others missing. A. 【點評】考查英文中分數(shù)的寫法。英文中分