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_________ 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)會將需要幾千名志愿者。 【點(diǎn)評】考查數(shù)學(xué)詞的表達(dá),注意平時識記確切數(shù)字時用基數(shù)詞+million表示幾百萬;表示非確切數(shù)字時用millions of數(shù)百萬的。表示確切數(shù)字時用基數(shù)詞+million表示幾百萬;表示非確切數(shù)字時用millions of,數(shù)百萬的......。D.million ofB.million 【點(diǎn)評】考查數(shù)學(xué)詞表達(dá),注意平時識記確切數(shù)字與非確切數(shù)字的表達(dá)。two millions of【答案】 B 【解析】【分析】句意:Tim喜歡收集硬幣,他已經(jīng)得到了它們中的數(shù)百萬。two million ofmillions ofmillion of16.Tim likes collecting coins, and he39。 【點(diǎn)評】考查時代的表達(dá)方式和固定短語。in the 1870s十九世紀(jì)七十年代;in one39。D.In 1870s, in fiftiesC.15._______, when Marx was already _______, he found it was important to study the situation in Russia, so he began to learn Russian. A.four基數(shù)詞后用thousand的原形,分?jǐn)?shù)表達(dá)形式是分子是基數(shù)詞,分母是序數(shù)詞,分子大于一,分母用復(fù)數(shù)形式,故三分之二是two thirds , 故選A。 Two third【答案】 A 【解析】【分析】句意: 我們學(xué)校的學(xué)生人數(shù)大約是四人。D. Two thirds Two thirdC.B.thousand。 【點(diǎn)評】考查數(shù)量詞在句中作定語的用法。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)生時幫助他的同學(xué)從教室里跑出來。C.8 year old13.Lin Tao, an ______ boy, was very brave and helped his classmates run out of the classroom when the earthquake happened. A.由句意可知,這里說的是“兩百公里”two是基數(shù)詞表示確切的數(shù)字,不能用百、千的復(fù)數(shù)形式,“two hundred”;但當(dāng)基數(shù)詞表示不確切數(shù)字,百、千后就要用復(fù)數(shù)形式,如“hundreds of”,故選C。D.C.B.s about ________________ kilometers from Nanchong to Chengdu. A. 【點(diǎn)評】考查數(shù)學(xué)詞表達(dá),注意平時識記幾百幾十幾的表達(dá)。表示數(shù)量246時,百位與十位之間要用and連接,且hundred被具體數(shù)字修飾時,用單數(shù)形式。C.two hundreds and fortybooks. A.11.—How handy books are there on the shelf? —Well. I think there are 表示幾歲的生日,要用序數(shù)詞,因此排除A、B;又因前面有物主代詞her,因此不用加定冠詞,故選D。seventieth【答案】 D 【解析】【分析】句意:我們?yōu)槲覀兊膰腋械津湴痢.the seventy10.We are proud of our country. The year 2019 is her ____ birthday. A.句中book是單數(shù),four后面用可數(shù)名詞復(fù)數(shù),排除A、C, 所以用序數(shù)詞fourth, 序數(shù)詞前常常加the ,故選D。D.the fourB.four注意分?jǐn)?shù)+of+名詞作主語時,謂語動詞的結(jié)構(gòu)。 分?jǐn)?shù)+of+名詞作主語時,如果名詞是復(fù)數(shù),謂語