【正文】
注意hundred和數(shù)字連用時用單數(shù)。hundred of。hundred。s fifties。s +基數(shù)詞復數(shù),在某人幾十多歲時,in one39。fiftiethfiftyThe second【答案】 B 【解析】【分析】句意:——你多久和你妹妹去購物?——一個月兩次。C. 【點評】考查數(shù)詞。ninetith27.—Hi, Jack! What about playing soccer after school? —I39。millions of【答案】 A 【解析】【分析】句意:這個城市市民總數(shù)今年已經(jīng)增長到了四百萬。a millionmillionsmillionmillions of【答案】 B 【解析】【分析】句意:公司決定花5百萬為那個小村莊的孩子們建一所學校。C.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)。three fourths;beD.C.B.24.About ______ of the earth ______ covered with water, but we have less and less available fresh water. A.D.B. 【點評】考查數(shù)詞,注意根據(jù) Li Hua is going to be an elder brother的語境選擇序數(shù)詞的用法。C.second 【點評】此題考查數(shù)詞。D.C.B.21.— I think A Bite of China Ⅲ is not so good as __________. — Oh, I agree with you..A.D.tons oftwo hundreds of【答案】 C 【解析】【分析】句意:每年有數(shù)百的游客參觀北京。tourists visiting Beijing every year. A.one一個,two兩個,third第三,three三個。B.one【點評】考查數(shù)詞,注意join sb的用法。17.—____________of volunteers will be needed for the 2020 Olympic Games. —Let39。eightyfive thousand, six hundred and twentysixC.s healthy to fall asleep before 10 ,10點之前睡覺是健康的,因此他在9點睡覺,故答案選A。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。twelvenine 【點評】考查分數(shù)表達,注意平時識記其表達規(guī)則。D.C.B.14._________ of the teachers are women in our school. A.A 第七;B 第八;C 第九;D 第十。B.sevenths fifties在某人五十多歲時;故選D。B.In 1870s, in his fifties8 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)生時幫助他的同學從教室里跑出來。C.故答案選A。B.two hundred and fortysix根據(jù) Grain Rain often starts in April ,可知四月份是一年中的第四個月,要用序數(shù)詞fourth,故選B。fifth【答案】 B 【解析】【分析】句意:一年有24個節(jié)氣。fourthThirdthousand和of 連用時要用復數(shù),thousands of,成千上萬的,固定短語,故選B。B. 【點評】考查數(shù)量的表達方式以及被動語態(tài)。hundreds of。hundreds。 nine【答案】 B 【解析】【分析】句意:——你的女兒多大了 ?——九歲,昨天我們給她過了一個特殊的九歲的生日聚會。Ninth。B. 【點評】考查分數(shù),注意分子是基數(shù)詞,分母是序數(shù)詞,分子大于一,分母加s的用法。Second three5.______ of the students in our school are boys. A.D.B.