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【单选题】
需要层次论是（ ）心理学在动机领域的体现，其代表人物是（ ）A.
精神分析；弗洛伊德
B.
认知主义；韦纳
C.
行为主义；华生
D.
人本主义；马斯洛
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皮皮学刷刷变学霸
举一反三
【单选题】British scientists said teenagers are programmed to take risks because they enjoy the thrill of
A.
30. British scientists said teenagers are programmed to take risks because they enjoy the thrill of dangerous situations________ others. A．more than
B.
less than
C.
other than
D.
rather than
【简答题】计算 （1）sin245°- cos60°+ tan60°cos230° （2）
【简答题】求值：sin 2 45°-cos60°+tan60°?cos 2 30°．
【简答题】1 4 ta n 2 45°+ 1 sin 2 30° -3co s 2 30°+ tan45° cos0° - sin40° cos50° ．
【简答题】计算题． （1） sin30°-cos45° cos60°-sin45° （2）（tan45°） 2 - cos 2 30°-2cos30°+1 ．
【单选题】Pupils usually would like to take ________ advice their teachers give.A．whicheverB．howeverC．what
A.
30. Pupils usually would like to take ________ advice their teachers give. A．whichever
B.
however
C.
whatever
D.
Whenever
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