1.（）martyrs have heroically laid down their live 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.dizen
B.dozen and dozen
C.score
D.dozens
2..Who is that man ,（）in the front row
A.one
B.the one
C.first
D.the first
3.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
4.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
5.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