As we know, too much ________ to Xrays can cause skin burns, cancer or other damage to the body.
#5051
A
contact
B
appeal
C
exposure
D
contribution
推荐题目
One of the main __________ of the summit was “sustainable development”,or the question how we can continue developing the world without damaging the environment.
#7014
A
headlines
B
themes
C
topics
D
deadlines
It is said that the World Golf Championships (世界高尔夫球锦标赛) to be held in Shanghai will be ______ on TV.
#6067
A
broadcast alive
B
broadcasting live
C
broadcast live
D
broadcasting alive
It is a great ________ for a person to be able to drive when he is looking for a job.
#5535
A
benefit
B
chance
C
advantage
D
fortune
Our lab is on the third _____ of a six—______ building.
#6773
A
floor; story
B
floors; stories
C
ground; flat
D
apartment; ground