20xx-20xx年數(shù)詞知識點梳理及經(jīng)典練習(xí)(超詳細(xì))(word)(文件)
【正文】 的。根據(jù)It39。fiveB.此處考查分?jǐn)?shù)的表達(dá)方法，分?jǐn)?shù)詞是以基數(shù)詞和序數(shù)詞合成的，基數(shù)詞代表分子，序數(shù)詞代表分母。注意英語中分?jǐn)?shù)詞是以基數(shù)詞和序數(shù)詞合成的，基數(shù)詞代表分子，序數(shù)詞代表分母。C.millions of【答案】 A 【解析】【分析】句意：保險公司付給李先生兩百萬美元為了他被偷來的花瓶。20．There were about six___________ students in the school building during the earthquake. A.B.C.D.【點評】考查基數(shù)詞hundred的用法。floor. A.three【答案】 C 【解析】【分析】句意：校長的辦公室在三樓。22．There are hundreds ofD.23．Last week, five ____ students took part in the sports meeting in our school A.C.根據(jù)句子前面有five，可知hundred后面不加s，hundreds of和thousands of前面不用數(shù)詞修飾，故選B。twice as many asmore than twice，表示數(shù)量，放在as … as結(jié)構(gòu)前，是……的兩倍多，故選D。dozens oftwo dozens of 【點評】考查數(shù)詞， 注意數(shù)字的復(fù)數(shù)形式dozens of，幾十的用法。 of the students in our class were born in the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，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。d love to, but it39。C.注意序數(shù)詞的拼寫和用法。s ________ years old. A.B.C. 【點評】考查基數(shù)詞，注意表達(dá)年齡時應(yīng)使用基數(shù)詞。thousandsthousands 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。30．Lin Tao, an ______ boy, was very brave and helped his classmates run out of the classroom when the earthquake happened. A.8 year old 【點評】考查數(shù)量詞在句中作定語的用法。8 year olds【答案】 A 【解析】【分析】句意：林濤，八歲的男孩，很勇敢并且在地震發(fā)生時幫助他的同學(xué)從教室里跑出來。C.two是確切數(shù)字，故選A。thousand ofthousand她十二歲了。s my sister39。表示某人多少歲的生日，是第幾個生日，應(yīng)該用序數(shù)詞，第九十，ninetieth，故選B。ninetieths ______ birthday and we will have a celebration. A.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，分母用復(fù)數(shù)。two thirds。two third。two threes。two thirds。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，而其他幾個人失蹤。dozen of25．A crowded floating restaurant boat loaded withD.B. vegetables per person today as they did in 1910. A.24．Americans eatD.B.表達(dá)確切數(shù)字用基數(shù)詞+hundred，表達(dá)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。B.hundred根據(jù)句意可知，此處需要填入的意義為第三層，故應(yīng)該用序數(shù)詞，故選C。C.two21．The headmaster39。hundred，百，基數(shù)詞，表示具體的
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