As a result of destroying the forest, a large ________ of desert ________ covered the land.
#6268
A
number; has
B
quantity; has
C
number; have
D
quantity; have
推荐题目
The scientific research on how to protect the rare animals is ________. Many scientists are working hard to find new way to raise the animals by man.
#5782
A
in danger
B
in control
C
in order
D
in progress
To our credit , China overcame all the difficulties caused by the disasters in 2008 and successfully hosted the 29th Olympic Games.
#6471
A
wonder
B
doubt
C
credit
D
point
He knows so much about Russia that he's universally acknowledged as a(n) _____ on Russian affairs.
#5544
A
authority
B
routine
C
privilege
D
boundary
A study shows that walking fast in your old age is a ______ that you will live a long life.
#6091
A
sign
B
mark
C
symbol
D
signal