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
He told me that she had met one of my old friends in the street ________.
#6322
A
the next day
B
the following day
C
the day before
D
yesterday
—I’m sorry I stepped outside for a smoke. I was very tired. —There is no______ for this while you are on duty.
#7449
A
reason
B
excuse
C
cause
D
explanation
I arrive at nine o’clock, teach until twelve thirty and then have a meal; that is my morning .
#6374
A
policy
B
behavior
C
tendency
D
routine
You’d better put the papers and magazines into_____ bag.
#7420
A
the paper
B
a paper
C
the paper’s
D
paper