一、选择题1．—How old is your grandpa? He looks energetic.—Yeah, it’s hard to imagine he is already in his________ .A．seventies B．seventy C．seventieth D．seventieths 2．The __ Winter Olympics will be held in Pyeongchang(平昌)，South Korea on Feb. ____, 2018. A．twenty-three; nine B．twentieth- three; ninethC．twenty-third; ninth D．twentieth-three; ninth3．Christmas Day is on ______ of December.A．twenty-five B．twenty-fifth C．the twenty-fifth4．–Hi, Kate! There are floors in this building. Which floor do you live on?–I live on the floor.A．twenty ; twelve B．twenty; twelfth C．twentieth; twelfth 5．—How do your students improve their English writing?—Well, about ______________ of the students like keeping diaries in English in our class. A．two fifth B．two fifths C．second five D．two five 6．——What should we do now, Mr.Li?——Please turn to Page_____and look at the_____picture.A．Twelfth;fifth B．Twelve; fifthC．Twelve;five D．Twelfth;five7．The shoe factory is only about ______ walk from our school.A．half an hour’s B．half and an hour’s C．half an hours’8．__________ of his time __________ been spent on studies every day.A．Three fourths；has B．Three fourths；haveC．Third fours；has D．Thirds four；have9．— They will need __________ volunteers for 2014 International Horticulture Exposition (国际园艺博览会) in Qingdao.—Let’s go and join them.A．thousand of B．thousands of C．three thousand of D．three thousands 10．Next Friday is my daughter’s birthday. So I will buy her a cake with candles. A．five; fifth B．twelfth; twelve C．nineth; nine11．—How long is the bridge?—About ______ long.A．two thousand meter B．two thousand metersC．two thousands meter D．two thousands meters12．Nearly ________of the American children get money from their part-time job.A．two third B．two three C．two thirds D．second third13．There are _______ people in the cinema.A．two hundred B．two hundreds C．two hundred of14．______of the teachers in our school is 118, ______ of them are women teachers.A．The number; first fourth B．The number; one fourthC．A number; one second D．A number; three quarters15．— How was your weekend? —Great ! It was my grandfather’s ______birthday. He was born _____.A．ninety, in the 1920 B．ninetieth, in the 1920sC．the ninetieth, on the 1920s D．nintieth, on the 192016．Lesson ____ is so difficult that it will take them _________ to learn it.A．Sixth; two and a half days B．Six; two days and halfC．Sixth; two and a half day D．Six; two days and a half17．—How many people have come to Beijing for the Olympic Games in 2008?—It’s hard to say. _______ people, I think.A．Million of B．Millions of C．Two millions of D．Two million of 18．－Hi, Cathy. Did you watch the Spring Festival Gala on New Year’s Eve?－Of course, I can’t miss it. And I know more than 646 ______ people in China and overseas watched the show on television.A．million B．millions of C．millions D．million of 19．Father’s Day is on _________ Sunday of June.A．three B．the three C．third D．the third 20．There are about people in the village.A．eight hundred B．eight hundredsC．eight hundred of D．eight hundreds of21．_________ people attending the meeting is 2975 and about _________ are women．A．A number of , one fourth B．The number of, one fourthC．A number of, one fourths D．The number of, one fourths 22．—Simon, how old is your father this year?—______. And we just had a special birthday party for his _____ birthday last Sunday. A．Fortieth; forty B．Forty; fortyC．Forty; fortieth D．Fortieth; fortieth23．一Mr Black looks very excited.一Yes，90 percent of the students already come to his birthday party.A．have; seventieth B．have; seventiesC．has; seventies D．has; seventieth24．There are ________ people in the supermarket. It's so crowded.A．hundred B．hundreds C．hundred of D．hundreds of 25．________of the students in our class________ going to the summer camp in Beijing next week.A．Two fifths; are B．Second fifths; are C．Two fifths; is D．Two fifth; are【参考答案】***试卷处理标记，请不要删除一、选择题1．A解析：A【解析】句意：——你爷爷多大了？他看起来精力充沛。

——是的，很难想象他已经70多岁了。

在表示某人几十岁了，其固定表达是“in+one’s+基数词复数”，seventy的复数形式是seventies，结合选项，可知A选项符合题意，故答案选A。

2．C解析：C【解析】句意：第23届冬季奥运会将与2018年2月9日在韩国平昌举行。

twenty-three23，是基数词; nine 9，是基数词。

twenty-third第23,; ninth第9，表示第几届奥运会，用序数词，第二十三为twenty-third。

表示具体日子，用序数词，表示9日用ninth。

故选C。

3．C解析：C【解析】句意：圣诞节在12月25日。

日期的表达常用序数词，前面要加定冠词the，答案为C。

4．B解析：B【解析】句意：－你好，凯特，这栋楼房有二十层，你住在哪一层？－我住在第十二层。

前句表示楼房有二十层，二十，表示数量，用基数词twenty；后句表示住在第十二层，第十二，表示顺序，用序数词twelfth。

故选Ｂ。

点睛：基数词表示“几……”，强调数量；序数词表示“第几……”，强调顺序。

5．B解析：B【解析】试题分析：句意：——你的学生怎样提高他们的英语写作水平？——噢，在我们班大约五分之二的学生喜欢用英语写日记。