【正文】
。數(shù)量詞在句中作前置定語,注意量詞用單數(shù),并且?guī)нB字符號,故選A。D.8yearsoldB.8yearold 【點(diǎn)評】考查基數(shù)詞,注意表達(dá)年齡時應(yīng)使用基數(shù)詞。她十二歲了。C.B.s ________ years old. A.s my sister39。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 of27._______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. when26.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(diǎn)40。thirty【答案】 C 【解析】【分析】句意:——快點(diǎn)!火車將在8點(diǎn)鐘到達(dá)。C.twelves just 7:40.A.t worry! There39。25.—Hurry up! The train will arrive at 8 o39。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. is23.About ______ of the earth ______ covered with water, but we have less and less available fresh water. A. 【點(diǎn)評】考查序數(shù)詞。the nine【答案】 B 【解析】【分析】句意:Mr. King給他兒子買了一輛新自行車作為他第九個生日的禮物。the ninthninthnine 【點(diǎn)評】考查倍數(shù)的表達(dá)方式。as twice much as【答案】 B 【解析】【分析】句意:十年前,我們村子的人口是他們的兩倍。twice as much astwice as large asas twice large as21.Ten years ago the population of our village was應(yīng)該是 three fourths ,故選D。Three fourths【答案】 D 【解析】【分析】句意:世界上四分之三的書報是用英語寫的。C.Three of quarterss books and newspaper are written in English. A.注意表示確定數(shù)量與不確定數(shù)量的用法。表示確定數(shù)量要用