______ to nuclear radiation, even for a short time, may influence genes in human bodies.
#93806
A
Exposed
B
Being exposed
C
To expose
D
Having exposed
推荐题目
  ----I have never heard it _____ before. And you ? ----The same as you.
#97965
A
talking about
B
talked
C
talked of
D
being talked
Social attention should be paid ____ our earth from ____.
#91822
A
to preventing; being polluted
B
to prevent; polluting
C
to prevent; being polluted
D
to preventing; polluted
----Can you attend tomorrow’s meeting?----I am sorry , but I will have too much work__________.
#90920
A
to see to to come
B
seeing to come
C
to see to coming
D
doing to come
_______ to sunlight for too much time will do harm to one’s skin.
#90115
A
Being exposed
B
Exposed
C
Having exposed
D
After being exposed