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【判断题】
测量半导体激光器的电光特性实验中,当注入电流大于阈值电流时,从小到大调节注入电流,激光输出功率随电流增大急剧增大。A.
正确
B.
错误
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举一反三
【单选题】The ______ news made all the people at the party _____.
A.
frightening; frightening
B.
frightening; frightened
C.
frightened; frightening
D.
frightened; frightened
【单选题】The little boy was ____by the ____ sound. [ ]
A.
to frighten; frightening
B.
frightened; frightening
C.
frightened; fright
D.
frightening; fright
【单选题】The __________ girl sat in the corner, __________. [ ]
A.
frightening; crying
B.
frightening; cried
C.
frightened; crying
D.
frightened; to cry
【单选题】They are ______ at the _______ news.
A.
frightening, frighten
B.
frightened, frightening
C.
frightening, frightening
D.
frightened, frightened
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