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。()
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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.
The author's attitude towards crime is that
A. punishment must be severe in order to prevent crime:
B. the offenders must be Warned first of all.
C. those playing with drugs must be told that they might be caught by the police.
D. an excuse should not be found for the youngsters' bad behavior.
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