1.______ martyrs have heroically laid down their lives for the people.
a. Thousand upon thousand of b. Thousand and thousands of
c. Thousands upon thousands of d. Thousand and thousand of
2.They received ______ of letters about their TV programs.
a. dozen b. dozen and dozen c score d. dozens
3.Who is that man,______ in the front row?
a. one b. the one c. first d. the first
4.We have produced ______ this year as we did in 1993.
a. as much cotton twice b. as twice much cotton
c. much as twice cotton d. twice as much cotton
5.The earth is about ______ as the moon.
a. as fifty time big b. fifty times as big c. as big fifty time d. fifty as times big
6.The population of many Alaskan cities has ______ in the past three years.
a. more than doubled b. more doubled than c. much than doubled d. much doubled than
7.The moon is about _____ in diameter as diameter as the earth.
a. one-three as large b. one three as large c. one-third as large d. one third as large
8.Five hundred yuan a month _____ enough to live on.
a. is b. are c. is being d. has been
9.______ of the buildings were ruined.
a. Three fourth b. Three four c. Three-fourths d. Three-four
10.Consult _____ for questions about earthquakes.
a. the six index b. index six c. sixth index d. index numbering six