【正文】 ere are ________________ months in a year. My birthday is in the ________________ month. A.B.C.D. 【點(diǎn)評】考查序數(shù)詞的基本用法。14．The number of the students in our school is about four __________. _______ of them are girls.A.people in Dale39。fiftyeight thousand, six hundred and twentysixD.tenth【答案】 C 【解析】【分析】句意：九月是一年的第九個月。nine九，是基數(shù)詞；ninth第九，是序數(shù)詞；twelve十二，是基數(shù)詞；twelfth第十二，是序數(shù)詞。23．A year is divided into ______ months. September is the _____ month of the year. A.B.C.D.D.26．AboutD. arewith，覆蓋；句子中的water 是不可數(shù)名詞，系動詞要用is，故選B。29．Abouttwo hundred and fortysixas many cars as three rimesD. 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越少。 . A.D.D.fortiestwelve18．September is the _____month of a year. A.注意基數(shù)詞和序數(shù)詞的使用規(guī)則。C.thousands。seventy，70，基數(shù)詞；seventieth，第70，序數(shù)詞。birthday on October 1, 2019 around the country. A.D.first根據(jù)基數(shù)詞表示數(shù)量以及months是名詞復(fù)數(shù)可知，第一個空應(yīng)填基數(shù)詞twelve；根據(jù)序數(shù)詞表示順序以及month是名詞單數(shù)可知，第二個空應(yīng)用序數(shù)詞twelfth。D.C. 【點(diǎn)評】考查數(shù)詞，注意基數(shù)詞和序數(shù)詞的用法。 ninths about ________________ kilometers from Nanchong to Chengdu. A.two hundred 【點(diǎn)評】考查基數(shù)詞的用法，注意表示確切的數(shù)字時，其后不能用百、千的復(fù)數(shù)形式。Two thirdsNinth。twelve8．There are ______________ months in a year. December is the ______________ month of a year. A.B.C.D. 【點(diǎn)評】 考查形容詞最高級，注意the+序數(shù)詞+最高級的用法。B.15．There are five。他們住在九樓。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。B.thousands of，幾千，join sb，加入，和某人一起，故選A。B.s forties的用法。24．This cinema can offertwice as large astwo threes。 in 2004 as the year before. A.two thirdtwo hundreds and forty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。D.28．Having introduced the new equipment, our factory turned outthree fourths。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，分母用復(fù)數(shù)，因此三分之二的英文是 two thirds；in the 2000s，表示21世紀(jì)，故選A。 of the students in our class were born in t