【正文】
e 【點(diǎn)評(píng)】考查數(shù)詞,注意join sb的用法。——讓我們?nèi)ゼ尤胨麄儼伞?8.—____________of volunteers will be needed for the 2020 Olympic Games. —Let39。【點(diǎn)評(píng)】考查基數(shù)詞hundred的用法。hundred,百,基數(shù)詞,表示具體的數(shù)量,其前要用基數(shù)詞;hundreds of +可數(shù)名詞復(fù)數(shù),表示不確定的數(shù)量,固定短語(yǔ)。D.C.B.17.There were about six___________ students in the school building during the earthquake. A.表達(dá)確切數(shù)字時(shí)用基數(shù)詞+million,表示幾百萬(wàn);表達(dá)非確切數(shù)字時(shí)用millions of,數(shù)百萬(wàn),故選D。D.C.B.16.Basketball is so exciting that ______ people play it for fun. A. 【點(diǎn)評(píng)】考查數(shù)詞和被動(dòng)語(yǔ)態(tài)。 invited【答案】 B 【解析】【分析】句意: 兩百名學(xué)生被邀請(qǐng)參加了上周五的開(kāi)幕式。D. invited were invitedC.B. were invited15.Two ________ students ________ to the opening ceremony last Friday. A.三分二,二是分子,所以用基數(shù)詞two,三是分母,所以用序數(shù)詞third,分子二大于一,所以分母third用復(fù)數(shù)thirds,所以三分之二用two thirds,故選C。Two【答案】 C 【解析】【分析】句意:在我們學(xué)校三分之二的老師是女老師。Two thirdsTwo threesTwo third掌握時(shí)代的表達(dá)方式。s fifties在某人五十多歲時(shí);故選D。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(jué)得研究俄國(guó)的形勢(shì)很重要,便開(kāi)始學(xué)習(xí)俄語(yǔ)。In the 1870s, in fiftiesB.In 1870s, in his fifties【點(diǎn)評(píng)】考查數(shù)詞,注意定冠詞后是序數(shù)詞的用法。這是我第五次參觀順豐公園,我想第六次去參觀。D.C.B.s the ______ time for me to visit the Shunfeng Park. And I want to visit it a sixth time. A.注意識(shí)記名詞sixteenyearolds。結(jié)合句意,故答案為C。Sixteen year olds【答案】 C 【解析】【分析】句意:16歲的青少年不允許開(kāi)車。C.Sixteen years old should not be allowed to drive. A. 【點(diǎn)評(píng)】考查數(shù)量詞作定語(yǔ)的用法。Twelve year olds【答案】 B 【解析】【分析】句意:12歲的孩子不應(yīng)該被允許夜晚出去。Twelve years oldTwelveyearoldsTwelveyearsold 【點(diǎn)評(píng)】考查數(shù)量詞在句中作定語(yǔ)的用法。8 year olds【答案】 A 【解析】【分析】句意:林濤,八歲的男孩,很勇敢并且在地震發(fā)生時(shí)幫助他的同學(xué)從教室里跑出來(lái)。C.8 year old9.Lin Tao, an ______ boy, was very brave and helped his classmates run out of the classroom when the earthquake happened. A.故答案選A。two hundred fourteen【答案】 A 【解析】【分析】句意: