A．It helps the teacher organize extra-curricula activities easily.B．It helps establish
A. It helps the teacher organize extra-curricula activities easily.
B. It helps establish the reputation of the whole school.
C. It helps build a positive teacher-student relationship.
D. It helps unify a divided class into a cooperative one.
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A．He may bring a small gift.B．He shouldn't bring fruit.C．He may bring some expensive t
A. He may bring a small gift.
B. He shouldn't bring fruit.
C. He may bring some expensive things.
D. He needn't bring anything.
In addition to advising the school newspaper staff, Mr. Mathison also regularly ______ the
A. rallied against
B. counseled
C. argued with
D. suppressed
E. emulated
The author of the passage is primarily concerned with
A. promoting mammalian sleep research
B. documenting the importance of non-REM sleep in hormone regulation
C. describing the role of sleep in human behavior. and development
D. arguing that humans need more sleep to function optimally
E. illustrating the importance of REM sleep to brain function
甲、乙公司签订一份买卖合同。甲公司在合同约定的交货期前，有充分的证据证明乙公司经营状况严重恶化，甲公司有权解除合同。 ()
A. 正确
B. 错误
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