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of前面不用數(shù)詞修飾,故選B。20.A crowded floating restaurant boat loaded withdozens ofdozen oftwo dozens oftwo dozens【答案】 A 【解析】【分析】句意:一只載有幾十名客人的擁擠的浮式餐廳船周四的晚些時(shí)候在巴格達(dá)中部的底格里斯河沉了,造成至少八人死亡,而其他幾個(gè)人失蹤。 【點(diǎn)評(píng)】考查數(shù)詞, 注意數(shù)字的復(fù)數(shù)形式dozens of,幾十的用法。of the land in that districtcovered with trees and grass. A. isB. areC. isD. are【答案】 A 【解析】【分析】句意:在那片區(qū)域五分之二的土地被樹和草覆蓋著。且land 作為集體名詞是不可數(shù)名詞,謂語應(yīng)用單數(shù)形式,所以用is,故選A。注意分?jǐn)?shù)的表達(dá),分?jǐn)?shù)由基數(shù)詞和序數(shù)詞構(gòu)成,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)。cars three times as many asB.as many cars as three rimesD.倍數(shù)+as+形容詞+as+,……是……倍,固定搭配,故選B。23.About of the work will soon be finished. A.two threesC.two thirds【答案】 D 【解析】【分析】句意:大約三分之二的工作將很快被完成。 【點(diǎn)評(píng)】考查分?jǐn)?shù)詞的表達(dá)法。1980, the firstthe 1980s, the first1980s, firstthe 1980s, first【答案】 D 【解析】【分析】句意:倫納德20世紀(jì)80年代出生于洛杉磯。在20世界80年代,固定搭配,in the 1980s,his是限定詞,其后是序數(shù)詞,故選D。25.—How many American students came to visit your school yesterday? — Ten. Seven are from New York, and the other _____ are from Boston.A.B.C.D.;;;。 【點(diǎn)評(píng)】考查數(shù)詞辨析。26.—Hurry up! The train will arrive at 8 o39。t worry! There39。s just 7:40.A.twelveC.thirty【答案】 C 【解析】【分析】句意:——快點(diǎn)!火車將在8點(diǎn)鐘到達(dá)。才7點(diǎn)40。s just 7:,故選C。27.Alibaba CEO Jack Ma has decided to retire from his pany in his _________. A.B.C.D.in one39。s fifties,在某人五十多歲時(shí),故選B。注意固定短語,in one39。28.—What should we do now, Mr. Wang? —Please go to Building ________ to wele the ________ new teacher.A.B.C.D.表示幾號(hào)樓,如果先說building,那么后面的數(shù)字使用基數(shù)詞,如果數(shù)字在前就是用序數(shù)詞。 【點(diǎn)評(píng)】考查基數(shù)詞和序數(shù)詞,注意基數(shù)詞和序數(shù)詞之間的用法區(qū)別。milliontwo millionsmillions ofmillions 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。 【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)。s go and____________ them., join, be a member of thousand, take part in, be in【答案】A 【解析】【分析】句意:——2020年奧運(yùn)會(huì)將需要幾千名志愿者。thousands of,幾千,join sb,加入,和某人一起,故選A。