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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)】考查英文中分?jǐn)?shù)的寫法。英文中分?jǐn)?shù)的表示方法,分子用基數(shù)詞分母用序數(shù)詞,分子大于一,分母應(yīng)加s。D.Third fourthsB.Three quarter18._________ of the world39。根據(jù)句意可知此句需要序數(shù)詞,因前面有物主代詞her,定冠詞the要省略,故選B。the sixth【答案】 B 【解析】【分析】句意:——很高興聽到杰西J最終獲得了歌手之王。C.sixths her _____ time to get the first prize.A.17.— It39。表示確切數(shù)字時(shí)用基數(shù)詞+million,幾百萬(wàn);表示非確切數(shù)字時(shí)用millions of,數(shù)百萬(wàn)的,固定搭配,故選B。D.C.B.s got ______________ them. A. 【點(diǎn)評(píng)】考查固定搭配,注意平時(shí)識(shí)記。Thousands of【答案】 D 【解析】【分析】句意:成千上萬(wàn)的游客在假期期間來(lái)給洪崖洞拍照。C.Thousand of visitors came to take photos of Hongyadong during the vacation. A. 【點(diǎn)評(píng)】考查數(shù)詞,注意分?jǐn)?shù)的用法。三分之二是女孩。thousand。thousands。thousands。 Two thirds14.The number of the students in our school is about four __________. _______ of them are girls.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 注意hundred和數(shù)字連用時(shí)用單數(shù)。hundred和數(shù)字連用用單數(shù),兩百是two hundred,學(xué)生和邀請(qǐng)之間是被動(dòng)關(guān)系,用被動(dòng)語(yǔ)態(tài),根據(jù)可知是一般過去時(shí),所以用一般過去時(shí)的被動(dòng)語(yǔ)態(tài),一般過去時(shí)的被動(dòng)語(yǔ)態(tài)是was/were+及物動(dòng)詞的過去分詞,students是復(fù)數(shù),用 were invited,故答案為B。hundred of。hundreds of。hundred。hundreds。 【點(diǎn)評(píng)】考查數(shù)學(xué)詞的表達(dá),注意平時(shí)識(shí)記表示確切數(shù)字用基數(shù)詞+million,表示幾百萬(wàn);表示非確切數(shù)字時(shí)用millions of,數(shù)百萬(wàn)。表示確切數(shù)字用基數(shù)詞+million,表示幾百萬(wàn);表示非確切數(shù)字時(shí)用millions of,數(shù)百萬(wàn),固定搭配。D.C.B.11.In 2010, ___________ people from all over the world came to Shanghai to see the World Expo. A.數(shù)量詞在句中作前置定語(yǔ),注意量詞用單數(shù),并且?guī)нB字符號(hào),故選A。D.8yearsoldB.8yearold 【點(diǎn)評(píng)】考查數(shù)詞,注意表示世紀(jì)和年齡的用法。in the+四位數(shù)的整數(shù)復(fù)數(shù)形式,在……世紀(jì)……年代,in one39。in the 1970s。 in fiftieth in the fiftiethC.B. in their fifties9.Most of the doctors in this hospital were born ________, and they are ________now. A.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 seventy8.We are proud of our country. The year 2019 is he