当监理中心试验室试验结果与承包人的试验结果出现允许误差以外的差异时，一般以，承包人的试验结果为准。 ()
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业主如不同意项目总监理工程师下达的工程指令，可直接向承包人下达更改指令。()
A. 正确
B. 错误
What does the author mean when he says "Your body is responsible to the laws of chemistry
A. You will be punished by lowering your chemistry and biology scores.
B. The police are employing the laws of chemistry and biology when punishing you.
C. Your physical body will suffer.
D. You have to be responsible for your own body.
What is the main idea of this passage？
A. Punish the students who are caught with drags severely.
B. Children should be educated not to steal things.
C. Law enforcement is the most effective way.
D. Parents, teachers and law enforcement should all play a part in preventing crime.
The word "recur" in Line 2, Para. 4 most probably means
A. refresh.
B. regress.
C. repeat.
D. retreat.
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