【正文】
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(guò)去時(shí),所以用一般過(guò)去時(shí)的被動(dòng)語(yǔ)態(tài),一般過(guò)去時(shí)的被動(dòng)語(yǔ)態(tài)是was/were+及物動(dòng)詞的過(guò)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.28.There are about two ________ students in the newly built school. A.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 【點(diǎn)評(píng)】考查數(shù)詞和連詞,注意根據(jù)You will see的語(yǔ)境選擇合適的用法。當(dāng)你進(jìn)入山谷時(shí),你會(huì)看到有四百多種蝴蝶飛來(lái)飛去。hundreds。hundred。hundreds of。hundred。主意結(jié)合語(yǔ)境思考問(wèn)題并解決問(wèn)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(lái)參觀了你們學(xué)校?——十個(gè),七個(gè)來(lái)自紐約,其他的三個(gè)來(lái)自波斯頓。fourthreetwo注意hundred,thousand,million的使用規(guī)則。million意思是百萬(wàn),當(dāng)和具體數(shù)字連用時(shí),不加s,后面也不加of; 而millions of意思是數(shù)以百萬(wàn)計(jì)的,固定短語(yǔ);前面有具體數(shù)字four,四,因此用million,故選A。D.C.B.23.The total number of the citizens in the city has increased to over four _________ this year. A.根據(jù)語(yǔ)境可知第三屆文化節(jié),是第三次,要用序數(shù)詞the third,三個(gè)活動(dòng),表示數(shù)量;要用基數(shù)詞three,修飾可數(shù)名詞復(fù)數(shù),故選C。 three【答案】 C 【解析】【分析】句意:——我們的學(xué)校打算舉辦第三屆文化節(jié)嗎?——是的。D. threeC. thirdB. thirdactivities.A.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(lái)越少。D. areC. isB. is21.About ______ of the earth ______ covered with water, but we have less and less available fresh water. A.根據(jù)可數(shù)名詞復(fù)數(shù)guests和 at least eight people dead and several others ,而其他幾個(gè)人失蹤 ,可知總?cè)藬?shù)不確定,因此用固定搭配dozens of,幾十,數(shù)詞的復(fù)數(shù)形式+of,表示概數(shù),故選A。D.C.B. guests sank in the Tigris River in central Baghdad late on Thursday, leaving at least eight people dead and several others missing. A.注意表示確定數(shù)量與不確定數(shù)量的用法。表示確定數(shù)量要用thousand 的單數(shù),不能與介詞of 連用;表示不確定