【正文】
baba CEO Jack Ma has decided to retire from his pany in his _________. A.fiftyB.fiftiesC.fiftiethD.fiftieths【答案】 B 【解析】【分析】句意:阿里巴巴的總裁馬云已經(jīng)決定在他50多歲從他的公司退休。in one39。s +基數(shù)詞復(fù)數(shù),在某人幾十多歲時,in one39。s fifties,在某人五十多歲時,故選B。 【點評】此題考查數(shù)詞。注意固定短語,in one39。s fifties。26.There are about people in the village. A.eight hundredB.eight hundredsC.eight hundred ofD.eight hundreds of【答案】 A 【解析】【分析】句意:村子里大約有八百人。hundred,百,與基數(shù)詞搭配時,不用復(fù)數(shù)。 ,hundred 后跟of 時,應(yīng)用復(fù)數(shù),前面不能用基數(shù)詞, 故選A。 【點評】考查數(shù)詞用法。注意hundred,thousand和million等詞的使用規(guī)則。27.It39。s my sister39。s birthday today. She39。s ________ years old. A.twelveB.twelfthC.the twelve【答案】 A 【解析】【分析】句意:今天是我妹妹的生日。她十二歲了。表示一個人的年齡應(yīng)會使用基數(shù)詞,前面不需要冠詞,故答案是A。 【點評】考查基數(shù)詞,注意表達(dá)年齡時應(yīng)使用基數(shù)詞。28. of the teachers in our school is 118, ______of them are women teachers A.The number,first fourthB.The number,one fourthC.A number,one secondD.A number,three quarters【答案】 B 【解析】【分析】句意: 我們學(xué)校的教師總數(shù)是118人,其中有4分之1是女教師。the number of...謂語動詞單三式,a number of...謂語動詞復(fù)數(shù)形式,根據(jù)is排除C和D選項,one fourth,固定搭配,4分之1,分子用基數(shù)詞分母用序數(shù)詞 , 故選B。 【點評】考查分?jǐn)?shù)的表達(dá),注意分子用基數(shù)詞分母用序數(shù)詞表示分?jǐn)?shù)的用法。29.Basketball is so exciting that ______ people play it for fun. A.millionB.two millionsC.millions ofD.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)百萬人為了玩樂而打它。表達(dá)確切數(shù)字時用基數(shù)詞+million,表示幾百萬;表達(dá)非確切數(shù)字時用millions of,數(shù)百萬,故選D。 【點評】考查數(shù)學(xué)詞的表達(dá),注意平時識記確切數(shù)字與非確切數(shù)字的表達(dá)。30._______, when Marx was already _______, he found it was important to study the situation in Russia, so he began to learn Russian. A.In 1870s, in his fiftiesB.In 1870s, in fiftiesC.In the 1870s, in fiftiesD.In the 1870s, in his fifties【答案】 D 【解析】【分析】句意:在十九世紀(jì)七十年代,馬克思已經(jīng)五十歲了,他覺得研究俄國的形勢很重要,便開始學(xué)習(xí)俄語。in the 1870s十九世紀(jì)七十年代;in one39。s fifties在某人五十多歲時;故選D。 【點評】考查時代的表達(dá)方式和固定短語。掌握時代的表達(dá)方式。