The radiation amount of a mobile phone for two half-hour periods per day is equal to ______ to an X-ray for ten seconds.
#91571
A
expose
B
exposing
C
exposed
D
being exposed
推荐题目
He found them _____ at a table ____ chess.
#93983
A
sat; to play
B
sitting; to play
C
seated; playing
D
seat; playing
At the crossing there is an arrow _______the direction to the Andrew farm.
#91631
A
indicating
B
to indicate
C
indicated
D
dictating
When         to danger and conflict, men tend to increase blood pressure,      nervous and anxious.
#93299
A
exposed; felt
B
exposed; feeling
C
exposing; feeling
D
exposing; felt