【正文】
【點評】本題考查數(shù)詞,注意基數(shù)詞表示幾點。根據(jù)It39。根據(jù)o39。晚上10點之前睡覺是健康的。D.C.B.s healthy to fall asleep before 10 .A.30.—When do you usually go to bed on school nights? —At around ________ o39。two是確切數(shù)字,故選A。thousands 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。thousand ofthousandsthousand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.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(jìn)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. 【點評】此題考查數(shù)詞和主謂一致。分子大于一的分母用復(fù)數(shù);故排除A和D;分?jǐn)?shù)修飾名詞做主語時,謂語動詞與后面的名詞的數(shù)保持一致;apples是可數(shù)名詞復(fù)數(shù),故用動詞原形?!覀冏詈每禳c吃掉其余的。D.two thirds, hastwothirds。twothird。gone bad. — Well, we39。26.— Dad, 【點評】考查數(shù)詞辨析。;;;。D.C.B.25.—How many American students came to visit your school yesterday? — Ten. Seven are from New York, and the other _____ are from Boston.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。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.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)。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。two thirds。two third。two threes。two thirds。 of the students in our class were born in the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.21.Mr. King bought his son a new bike as a gift for his 【點評】考查數(shù)詞thousand的用法。thousands of【答案】 D 【解析】【分析】句意:這家電影院能為觀眾提供數(shù)成千上萬個座位。thousand ofthousandsth