H1N1 control and prevention is a to China as well as the whole world．
#5835
A
surprise
B
challenge
C
reaction
D
threat
推荐题目
----The 7:30 plane hasn’t turned up yet. ----It has gone off its to keep away from the sudden storm
#5659
A
journey
B
course
C
flight
D
direction
It is a great _____ for a person to be able to drive when she is seeking a job.
#6778
A
advantage
B
chance
C
fun
D
importance
Niagara Falls is a great tourist drawing millions of visitors from all parts of the world every year．
#6432
A
interest
B
attraction
C
view
D
scene
The people living in these apartments have free ______ to that swimming pool.
#5884
A
charge
B
access
C
time
D
entrance