【正文】
。四分之三用three fourths或者three quarters,故選D。你們都應(yīng)該好好照顧你們的眼睛。three quarters【答案】 D 【解析】【分析】句意:——爸爸,大約四分之三的同學(xué)戴眼鏡。C.third fourths terrible. You all should take good care of your eyes. A.30.—Dad, about 表達(dá)確切數(shù)字時(shí)用基數(shù)詞+million,表示幾百萬;表達(dá)非確切數(shù)字時(shí)用millions of,數(shù)百萬,故選D。D.C.B.29.Basketball is so exciting that ______ people play it for fun. A.因?yàn)閠eacher是單數(shù),因此不是五位老師,是第五位老師,應(yīng)使用序數(shù)詞,故答案是B。Twelfth, five【答案】 B 【解析】【分析】句意:——現(xiàn)在我們應(yīng)該做什么,王老師?——去十二號樓接待第五位新老師。Twelve, fiveTwelve, fifthTwelfth, fifth注意hundred,thousand和million等詞的使用規(guī)則。 ,hundred 后跟of 時(shí),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 of26._______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(shí),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(gè)以蝴蝶聞名的山谷。D. untilC. whileB. when25.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。24.—Hurry up! The train will arrive at 8 o39。 【點(diǎn)評】此題考查數(shù)詞。millions of【答案】 A 【解析】【分析】句意:這個(gè)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(shí),分母用復(fù)數(shù)。with,覆蓋;句子中的water 是不可數(shù)名詞,系動(dòng)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 _