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thD. twelve【答案】 C 【解析】【分析】句意:一年有十二個月,十二月是一年中的第十二個月。故選C。注意twelfth的書寫。the eightiethB.EightiesD.當表示“第…….頁(房間、組等)”時,常用“名詞+基數(shù)詞”,Page80表示“第80頁”。 【點評】考查基數(shù)詞的基本用法。7.Our country is 70 years old this year. We will celebrate her _____ birthday on Oct. 1. A.seventiethC.seventy【答案】 B 【解析】【分析】句意:今年我們的國家70歲了,我們將在10月1日慶祝她的70歲生日。s+序數(shù)詞+birthday,seventy,70,基數(shù)詞;seventieth第七十,序數(shù)詞,排除C、D,故選B。s+序數(shù)詞+birthday。sevensixseventhsixth【答案】 C 【解析】【分析】句意:——你最喜歡一年中哪個月?——七月,第七個月?;鶖?shù)詞;,基數(shù)詞;,序數(shù)詞;,序數(shù)詞。 【點評】考查數(shù)詞用法,注意平時識記,理解句意。years old. We39。birthday on October 1, 2019 around the country. A.seventy, seventiethC.D.seventy,70,基數(shù)詞;seventieth,第70,序數(shù)詞。s+序數(shù)詞+birthday,故選B。10.There are s family. They live on thefive。fifth。five。fifth。他們住在九樓。 【點評】此題考查數(shù)詞。11.______ should not be allowed to go out at night. A.B.C.D.數(shù)量詞作定語應(yīng)用連字符,并且量詞用單數(shù),故選B。12.It39。fifthfivefifthsthe five【答案】 A 【解析】【分析】句意:A序數(shù)詞,第五,B基數(shù)詞,五,根據(jù)the定冠詞可知,定冠詞后是序數(shù)詞,故選A。13._______, when Marx was already _______, he found it was important to study the situation in Russia, so he began to learn Russian. A.In 1870s, in fiftiesC.D.in the 1870s十九世紀七十年代;in one39。 【點評】考查時代的表達方式和固定短語。14._________ of the teachers are women in our school. A.B.C.D.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(fù)數(shù)。 【點評】考查分數(shù)表達,注意平時識記其表達規(guī)則。s never too old to learn. Karl Marx began to learn English in his ________. A.B.C.D.卡爾馬克思在他五十多歲時開始學習英語。in one39。 【點評】考查數(shù)詞的用法及固定搭配。s fifties。eightyfive thousands, six hundreds and twentysixB.fiftyeight thousand, six hundred and twentysixD. 【點評】考查數(shù)學詞的讀法,注意平時識記其讀法規(guī)則。s office is on the oneB.thirdD.one一個,two兩個,third第三,three三個。 【點評】考查了序數(shù)詞與基數(shù)詞辨析,注意兩者意義的區(qū)分。of our classmates wear glasses. —Oh, that39。three fourthB.third fou