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注意hundreds不能單獨使用,必須與of放在一起使用??崭袂坝谢鶖?shù)詞six,要用hundred,故答案選A。hundred of【答案】 A 【解析】【分析】句意:地震期間,校舍里大約有六百名學(xué)生。hundreds ofhundredshundred注意hundred,thousand和million等詞的使用規(guī)則。 ,hundred 后跟of 時,應(yīng)用復(fù)數(shù),前面不能用基數(shù)詞, 故選A。eight hundreds of【答案】 A 【解析】【分析】句意:村子里大約有八百人。C.eight hundreds people in the village. A.注意hundred,thousand和million的使用規(guī)則。thousand千,有具體的數(shù)字修飾需用原形;和of連用則用復(fù)數(shù)形式,意思是成千上萬的,前面沒有具體的數(shù)字,因此用復(fù)數(shù)形式,故選B。C.Thousands of28._______people visited Hongyadong, Chongqing on May Day this year. A.故答案是B。in one39。D.thirtyB.thirtieth 【點評】考查數(shù)詞,準(zhǔn)確掌握數(shù)詞的寫法。A第十二;B十二;C二十;D三十,根據(jù)It39?!挥弥?!還有20分鐘。D.twentyB.twelfths still _________ minutes left. It39。clock. —Don39。 【點評】考查數(shù)詞,注意in the 1980s的用法。去年,他在第88屆奧斯卡金像獎上獲得了第一個奧斯卡獎。D.C.B.25.Leonard was born in _______ in Los Angles. Last year, he won his ________Oscar in the 88th Academy Awards. A. 【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。24.—Hi, Jack! What about playing soccer after school? —I39。 【點評】此題考查數(shù)詞。millions of【答案】 A 【解析】【分析】句意:這個城市市民總數(shù)今年已經(jīng)增長到了四百萬。a millionmillionsmillion注意基數(shù)詞和序數(shù)詞的構(gòu)成。故選B。大約五分之四的學(xué)生出生于2002年。D.C.B.of the students were born in 2002. A.22.There are 300 students in Grade Nine. About 倍數(shù)+as+形容詞+as+,……是……倍,固定搭配,故選B。as many cars as three rimesD.cars three times as many asB.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)。with,覆蓋;句子中的water 是不可數(shù)名詞,系動詞要用is,故選B。three fourths;be are【答案】 B 【解析】【分析】句意:地球的四分之三被水覆蓋,但是我們的淡水資源越來越少。D. areC. isB. is20.About ______ of the earth ______ covered with water, but we have less and less available fresh water. A. 【點評】考查分?jǐn)?shù)的表達(dá)和be動詞用法。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,分母用復(fù)數(shù),所以五分之二的表達(dá)為two fifths。Two fifths。Two fifth。Two fifth。Two fifths。 19.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 i