重点:基数词、序数词的用法;分数构成.

　　1.I got to the theatre just before the end of ______.

　　A. the act two B. act two C. act second D. the act second

　　2.The United States of America has a population of over ______.

　　A. two hundred million B. two hundred millions

　　C. two hundreds million D. two hundred millions people

　　3.It is reported that ______ people have entered for the competition.

　　A. hundreds B. hundred C. hundreds of D. several hundreds

　　4.It is reported that ______ people in this area were saved in the flood.

　　A. hundreds of B. hundred C. some hundreds D. hundred of

　　5.Mary is a ______ girl.

　　A.seven years old B. seven-years-old C. seven-year-old D. seven-year old

　　6.The homework for the next period is to wrihe got the chance to go abroad to study.

　　A. forty B. forty's C. forty's years old D. forties

　　11.The world population will pass six billion by the end of twenty century.

　　12.About ______ of the energy is absorbed by the atmosphere of the earth.

　　A. nine-ten B. nine-tenth C. nine-tenths D. ninth-ten

　　13.Three times seven is twenty-one.

　　14.David helps his mother with her housework every Saturday for about ______.

　　A. one and half hours B. a half and an hour C. an hour and half D. one and a half hours

　　15. We can go there on foot. It is only ______ walk.

　　A. twenty minute B. twenty minutes C. a twenty-minute D. twenty minutes of

　　IV.数词答案

　　1. B 2.A 3.C 4.A 5.C 6.C: two-hundred-word 7.C 9.A 10.D 11.D: the twentieth 12.C 14.D 15.C