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根據(jù)常識可知七月是一年中第七個月,所以用序數(shù)詞seventh,故選C。D.C.B.30.—Which month of the year do you like best? — July, the _________ month, because summer vacation begin in this month.A.s fifties,在某人五十多歲時,故選B。D.B. 【點評】此題考查數(shù)詞和主謂一致?!覀冏詈每禳c吃掉其余的。twothirds。gone bad. — Well, we39。28.— Dad, ;;;。C.27.—How many American students came to visit your school yesterday? — Ten. Seven are from New York, and the other _____ are from Boston.A.the 1980s, first【答案】 D 【解析】【分析】句意:倫納德20世紀80年代出生于洛杉磯。1980s, firstthe 1980s, the first1980, the first我們每個人能參加三個活動。Third。Third。 Cultural Festival? —Yes. And each of us can take part in 25.—Our school is going to hold the 2000【答案】 A 【解析】【分析】句意:我們班大約三分之二的學生出生在21世紀。 2000 2000s 2000s根據(jù)句意可知,這里考查的是表示倍數(shù)的句型,twice在這里的意思是兩倍,twice as…as,表示是……的兩倍,并且修飾人口眾多時用形容詞large或big,因此是twice as large as,故選B。C. that of theirs. A.more than twice as many【答案】 D 【解析】【分析】句意:美國人現(xiàn)在每個人吃蔬菜的比1910年的兩倍還多。as twice as manyC.more than twicethousands of【答案】 B 【解析】【分析】句意:上周,我們學校5百名學生參加了運動會。hundred 【點評】考查序數(shù)詞的基本用法。D.six注意理解單詞意思,理解句意。A. 一刻鐘; ;;。D.quarter 【點評】考查時代的表達方式和固定短語。D.In 1870s, in fiftiesC.數(shù)量詞作定語應用連字符,并且量詞用單數(shù),故選B。C.17.______ should not be allowed to go out at night. A.thousands of【答案】 A 【解析】【分析】句意:在新建立的學校里大約有2000學生。thousands 【點評】考查序數(shù)詞的基本用法。D.seventy表達分數(shù)時,分子用基數(shù)詞,分母用序數(shù)詞,分子大于1時,分母用復數(shù)。 【點評】考查數(shù)詞用法。C.first 【點評】考查序數(shù)詞辨析。谷物雨通常在一年中的四月開始。表示分數(shù)時分母用序數(shù)詞,分子用基數(shù)詞,分子大于1時,分母用復數(shù),四是分子,所以用基數(shù)詞four,5是分母,用序數(shù)詞,分子大于一,所以用復數(shù)fifths,所以五分之四用fourfifths,故選C。D.a number of。11.Nowadays, ________ people like HUAWEI phones better, and about ________ of them are adults. A.表達某人幾歲生日用one39。the seventyB.注意固定短語thousands of。C.9.Every year, ________ books are given away to the poor children in the countryside. A.它只是比武漢最大的稍微小一點。thirdB.largest in Hubei Province? — Yes, of course. It39。故選D。Eigh