【正文】
。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)學(xué)詞表達(dá),注意平時(shí)識(shí)記。表示確切數(shù)字時(shí)用基數(shù)詞+thousand,表示非確切數(shù)字時(shí)用thousands of。D.C.B.29.There are about two ________ students in the newly built school. A.表示一個(gè)人的年齡應(yīng)會(huì)使用基數(shù)詞,前面不需要冠詞,故答案是A。the twelve【答案】 A 【解析】【分析】句意:今天是我妹妹的生日。twelfthtwelves birthday today. She39。28.It39。注意固定短語(yǔ),in one39。s fifties,在某人五十多歲時(shí),故選B。in one39。D.C.B.27.Alibaba CEO Jack Ma has decided to retire from his pany in his _________. A. 【點(diǎn)評(píng)】考查數(shù)字表達(dá)法辨析。Thousand of【答案】 B 【解析】【分析】句意:今年五一勞動(dòng)節(jié)那天,成千上萬(wàn)的人參觀了重慶紅巖洞。B.Thousand掌握分?jǐn)?shù)的表達(dá)方式和主謂一致的用法。故選B。 分?jǐn)?shù)的表達(dá):分子為基數(shù)詞;分母為序數(shù)詞。twothird, has【答案】 B 【解析】【分析】句意:——爸爸,蘋果有三分之二已經(jīng)壞了。C. haveB. haved better eat up the rest as soon as possible.A.of the apples 主意結(jié)合語(yǔ)境思考問題并解決問題。一共十個(gè)人,七個(gè)是紐約的,剩下的三個(gè)就是波斯頓的,故答案是B。five【答案】 B 【解析】【分析】句意:——昨天多少美國(guó)學(xué)生來參觀了你們學(xué)校?——十個(gè),七個(gè)來自紐約,其他的三個(gè)來自波斯頓。fourthreetwo注意序數(shù)詞的拼寫和用法。表示某人多少歲的生日,是第幾個(gè)生日,應(yīng)該用序數(shù)詞,第九十,ninetieth,故選B。C.ninetieths ______ birthday and we will have a celebration. A.d love to, but it39。 【點(diǎn)評(píng)】考查數(shù)詞的用法,牢記數(shù)詞表示確數(shù)和概數(shù)的不同用法。millions of【答案】 B 【解析】【分析】句意:公司決定花5百萬(wàn)為那個(gè)小村莊的孩子們建一所學(xué)校。C.millionyuan building a school for the children in that small village. A.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根據(jù)句子前面有five,可知hundred后面不加s,hundreds of和thousands of前面不用數(shù)詞修飾,故選B。D.C.B.20.Last week, five ____ students took part in the sports meeting in our school A.A第一,B第二,C一,D二,限定詞+序數(shù)詞+名詞,第幾個(gè)......,選項(xiàng)C和D是基數(shù)詞,故排除,根據(jù) Li Hua is going to be an elder brother,可知是二胎,及第二個(gè)孩子,故選B。D.oneB.firstthe first修飾基數(shù)詞,表示前幾個(gè)。first,最初的,形容詞,the first+基數(shù)詞,表示前幾個(gè),故選D。the first two【答案】 D