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【點(diǎn)評(píng)】考查數(shù)詞,注意join sb的用法。30.—____________of volunteers will be needed for the 2020 Olympic Games. —Let39。他說(shuō)這是他第五次到法國(guó)訪問(wèn)。D./。 five 【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。D.C.B.28.—What should we do now, Mr. Wang? —Please go to Building ________ to wele the ________ new teacher.A.the twelve【答案】 A 【解析】【分析】句意:今天是我妹妹的生日。twelfthtwelve27.It39。s fifties,在某人五十多歲時(shí),故選B。D.B. 【點(diǎn)評(píng)】考查數(shù)字表達(dá)法辨析。B.Thousands+整十?dāng)?shù)的復(fù)數(shù),表示在某人幾十多歲時(shí)。C.thirties 【點(diǎn)評(píng)】此題考查數(shù)詞和主謂一致?!覀冏詈每禳c(diǎn)吃掉其余的。twothirds。gone bad. — Well, we39。23.— Dad, ;;;。C.22.—How many American students came to visit your school yesterday? — Ten. Seven are from New York, and the other _____ are from Boston.A.millions of【答案】 A 【解析】【分析】句意:這個(gè)城市市民總數(shù)今年已經(jīng)增長(zhǎng)到了四百萬(wàn)。a millionmillionsmillionwith,覆蓋;句子中的water 是不可數(shù)名詞,系動(dòng)詞要用is,故選B。 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。 are is is 【點(diǎn)評(píng)】考查分?jǐn)?shù)的表達(dá)和be動(dòng)詞用法。Two fifths。Two fifth。Two fifth。Two fifths。 【點(diǎn)評(píng)】考查基數(shù)詞和序數(shù)詞。第一個(gè)空格后有month,月,可數(shù)名詞復(fù)數(shù)monthes,其前要用基數(shù)詞表示數(shù)量。 【點(diǎn)評(píng)】考查固定搭配,注意平時(shí)識(shí)記。C.tons17.We throw 你們?nèi)畟€(gè)男孩應(yīng)該保護(hù)好自己的眼睛。two thirdsone fourth根據(jù)第一個(gè)空可知,此處填入基數(shù)詞,答案為nine,第二個(gè)空填入序數(shù)詞,答案為fifth,故選A。D. fiveB. fifths family and he is the D.million空格前有基數(shù)詞six,要用hundred,故答案選A。 【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)字時(shí)用基數(shù)詞+million表示幾百萬(wàn);表示非確切數(shù)字時(shí)用millions of數(shù)百萬(wàn)的。D.million根據(jù)It39。晚上10點(diǎn)之前睡覺(jué)是健康的。C.s healthy to fall asleep before 10 .A.在某人五十多歲時(shí)是in one39。10.It39。D.8yearoldin the+四位數(shù)的整數(shù)復(fù)數(shù)形式,在……世紀(jì)……年代,in one39。 in fiftiethB. in their fifties 【點(diǎn)評(píng)】此題考查數(shù)詞。fifth。fifth。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。the fourB.注意分?jǐn)?shù)+of+名詞作主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞的結(jié)構(gòu)。句意:我們班五分之二的學(xué)生下周要去北京參加夏令營(yíng)。C.of the students in our class _____going to the summer camp in Beijing next week. A. 【點(diǎn)評(píng)】此題考查數(shù)詞用法。thousands of注意確切數(shù)量與不確切數(shù)量在表達(dá)上的不同。 invited【答案】 B 【解析】【分析】句意:上周五有200名學(xué)生被邀請(qǐng)參加開幕式。B. were invited students分?jǐn)?shù)詞是分子是基數(shù)詞,分母是序數(shù)詞,分子大于一,分母加s,因此二分之一是two thirds,故選C。Two thirdsB. 【點(diǎn)評(píng)】考查數(shù)學(xué)