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e,故選B。D.C.B. birthday. A.18.Mr. King bought his son a new bike as a gift for his根據(jù)句意可知,這里考查的是表示倍數(shù)的句型,twice在這里的意思是兩倍,twice as…as,表示是……的兩倍,并且修飾人口眾多時(shí)用形容詞large或big,因此是twice as large as,故選B。D.C.B. that of theirs. A. 【點(diǎn)評(píng)】考查數(shù)學(xué)詞的表達(dá),注意平時(shí)識(shí)記確切數(shù)字與非確切數(shù)字的表達(dá)。millions of【答案】 D 【解析】【分析】句意:籃球是如此令人興奮以至于數(shù)百萬(wàn)人為了玩樂(lè)而打它。millions oftwo millionsmillion 【點(diǎn)評(píng)】考查分?jǐn)?shù)表達(dá),注意平時(shí)識(shí)記。分子用基數(shù)詞,分母用序數(shù)詞,中間用連字符,若分子大于一,分母用復(fù)數(shù)形式?!蓿钦婵膳?。D.third fourthsB.three fourthof our classmates wear glasses. —Oh, that39。 【點(diǎn)評(píng)】考查分?jǐn)?shù)表達(dá),注意平時(shí)識(shí)記其表達(dá)規(guī)則。表達(dá)分?jǐn)?shù)時(shí),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)。D.C.B.14._________ of the teachers are women in our school. A.根據(jù)第一個(gè)空可知,此處填入基數(shù)詞,答案為nine,第二個(gè)空填入序數(shù)詞,答案為fifth,故選A。 fifth【答案】 A 【解析】【分析】句意:我外公家有9個(gè)孩子,并且他是第五個(gè)孩子。D. fiveC. fiveB. fifthchild of the family. A.s family and he is the 【點(diǎn)評(píng)】考查數(shù)詞,注意join sb的用法?!屛覀?nèi)ゼ尤胨麄儼伞?2.—____________of volunteers will be needed for the 2020 Olympic Games. —Let39。 【點(diǎn)評(píng)】考查數(shù)詞和被動(dòng)語(yǔ)態(tài)。 invited【答案】 B 【解析】【分析】句意: 兩百名學(xué)生被邀請(qǐng)參加了上周五的開(kāi)幕式。D. invited were invitedC.B. were invited11.Two ________ students ________ to the opening ceremony last Friday. A.A序數(shù)詞,第五,B基數(shù)詞,五,根據(jù)the定冠詞可知,定冠詞后是序數(shù)詞,故選A。the five【答案】 A 【解析】【分析】句意:fifthsfivefifth10.It39。ten10,基數(shù)詞,所以用ten million,排除A、B,故選D。millions of【答案】 D 【解析】【分析】句意:2010年,來(lái)自世界各地的數(shù)百萬(wàn)人來(lái)到上海觀看世博會(huì)。million often millionsten million of注意基數(shù)詞和序數(shù)詞的使用規(guī)則。基數(shù)詞放在名詞前修飾名詞,表示數(shù)量,因此用five;序數(shù)詞放在floor前面表示順序,因此用ninth,故選C。 ninth【答案】 C 【解析】【分析】句意:在戴爾的家里有五個(gè)人。D. ninthC. nineB. nine floor. A.people in Dale39。 【點(diǎn)評(píng)】考查數(shù)學(xué)詞表達(dá),注意平時(shí)識(shí)記幾百幾十幾的表達(dá)。表示數(shù)量246時(shí),百位與十位之間要用and連接,且hundred被具體數(shù)字修飾時(shí),用單數(shù)形式。C.two hundreds and fortybooks. A.7.—How handy books are there on the shelf? —Well. I think there are 表示幾歲的生日,要用序數(shù)詞,因此排除A、B;又因前面有物主代詞her,因此不用加定冠詞,故選D。seventieth【答案】 D 【解析】【分析】句意:我們?yōu)槲覀兊膰?guó)家感到驕傲。C.the seventy6.We are proud of our country. The year 2019