【正文】
沒有具體數(shù)字,因此用thousands of,成千上萬的......,故選D。D.ThousandsB.Thousand18.表達確切數(shù)字用基數(shù)詞+hundred,表達非確切數(shù)字用hundreds of,前面沒有具體數(shù)字,因此用hundreds of,故選C。D.hundreds ofB.hundred17.There are 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.16.Basketball is so exciting that ______ people play it for fun. A.在某人五十多歲時是in one39。s +整十數(shù)字的復數(shù)形式表示在某人……歲時,固定搭配,fifty,基數(shù)詞,復數(shù)是fifties,所以,在他五十多歲時是in his fifties,故答案為A。the fiftieth【答案】 A 【解析】【分析】句意: 活到老,學到老。fiftyfiftiethfifties15.It39。 【點評】考查整數(shù)的表達。thousands of【答案】 D 【解析】【分析】句意:當華為P20上市時,成千上萬的人迫不及待地想在我們鎮(zhèn)上買一臺。thousand ofthousandsthousand14.When Huawei P20 came out, ______ people couldn39。A序數(shù)詞,第五,B基數(shù)詞,五,根據(jù)the定冠詞可知,定冠詞后是序數(shù)詞,故選A。the five【答案】 A 【解析】【分析】句意:fifthsfivefifth13.It39。由句意可知,這里說的是“兩百公里”two是基數(shù)詞表示確切的數(shù)字,不能用百、千的復數(shù)形式,“two hundred”;但當基數(shù)詞表示不確切數(shù)字,百、千后就要用復數(shù)形式,如“hundreds of”,故選C。D.C.B.s about ________________ kilometers from Nanchong to Chengdu. A. 【點評】考查數(shù)詞,注意表示世紀和年齡的用法。in the+四位數(shù)的整數(shù)復數(shù)形式,在……世紀……年代,in one39。in the 1970s。 in fiftieth in the fiftiethC.B. in their fifties11.Most of the doctors in this hospital were born ________, and they are ________now. A. 【點評】此題考查數(shù)詞。他們住在九樓。fifth。five。fifth。five。s family. They live on the10.There are s+序數(shù)詞+birthday,故選B。seventy,70,基數(shù)詞;seventieth,第70,序數(shù)詞。D.seventy, seventiethC.birthday on October 1, 2019 around the country. A.years old. We39。 【點評】考查序數(shù)詞用法,注意序數(shù)詞后面加the。the fourth【答案】 D 【解析】【分析】句意:請遞給我右邊的第四本書。C.fourth8.Please pass me ___book on the right. A. 【點評】考查整數(shù)的表達。hundred of【答案】 B 【解析】【分析】句意:有兩百名學生來自朝鮮。hundredshundredhundreds of 【點評】 考查數(shù)詞,注意識記thousand的用法。six thousand of【答案】 B 【解析】【分析】句意: 去年我們向學校圖書館贈送了六千本書。C.six thousand6.We gave away ________ books to the school library last year. A. 【點評】考查數(shù)量的表達方式以及被動語態(tài)。根據(jù)題干中的two與選項中的hundred可知此題考查