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【判断题】
在成本管理工作中，集中与分散管理相结合的原则是指由国家和企业分别进行成本管理。( )A.
正确
B.
错误
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【单选题】The scientists from the Johns Hopkins University said that C75， the slimming drug proved effective in mice， is likely to work on humans because __________. 查看材料
A.
the chemical pathway responsible for appetite control in human is believed to be the same as that in mice
B.
it is a major pathway in the brain which is activated to regulate appetite
C.
it is especially effective in the battle against obesity
D.
its effect has also been proved by human studies
【单选题】The new drug will not be put on the market it has proved safe on humans.
A.
if
B.
until
C.
since
D.
when
【单选题】The drug proved ________.
A.
be highly effectively
B.
to be highly effectively
C.
highly effective
D.
highly effectively
【单选题】是以力学性能,如受力形变、脆性断裂和强度等作为应用性能,具有抵抗外力作用而保持自己的形状、结构不变的特点。
A.
金属材料
B.
结构材料
C.
智能材料
D.
弹性材料
【单选题】The drug proved ______.
A.
highly effectively
B.
highly effective
C.
to be highly effectively
D.
be highly effectively
【单选题】Streptomycin proved to be the first drug effective against the cause of
A.
tuberculosis
B.
colds
C.
hypertension
D.
diphtheria
【简答题】The doctor prescribed a drug to the patient who had a bacterial infection. He was relieved when the bacteria that had infected the patient proved to be ________________________ the drug, and the patie...
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