The number of the employees has grown from 1,000 to 1,200.This means it has risen ________ 20 percent.
#11494
A
at
B
by
C
to
D
with
推荐题目
A qualified doctor has to constantly update his knowledge in order to maintain his professional _____.
#12050
A
conscience
B
competence
C
conservation
D
convenience
Our college is going to choose some ______ from the graduates to serve the poor village during the summer vacation．
#14462
A
volunteers
B
firefighters
C
employers
D
prisoners
Thanks to his open-minded parents and schoolmaster, he was lucky enough to grow up the positive impact of sports.
#11706
A
exposed to
B
to expose to
C
being expose to
D
having exposed to
One way for students to prevent H7N9 flu virus is to open the windows of the classroom to allow the air to ________.
#13540
A
accumulate
B
circulate
C
illustrate
D
accelerate