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【判断题】
因为药物的治疗作用往往取决于血液中药物的浓度，因此，血药浓度越高，治疗作用就越强。()A.
正确
B.
错误
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举一反三
【单选题】Prices of food in that area ______ sharply since word came that the war would break out soon.
A.
were cut down
B.
were rising
C.
have been brought down
D.
have been going up
【单选题】Word came ____ the newly-released film has won the best film at the Film Festival.
A.
it
B.
what
C.
that
D.
which
【简答题】Prices of food in that area ____ sharply since word came that the war would break out soon. A．were cut down B．were rising C．have been brought down D．have been going up
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