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【单选题】
气相色谱法鉴别时,定性的依据是( )A.
峰面积
B.
峰高
C.
保留时间
D.
分离度
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举一反三
【单选题】– Where is your father now? – He _____Hongkong. He____there for three days.
A.
has gone to , has been to
B.
has been to , has been
C.
has gone to , has been
D.
went , was
【单选题】美国教育学家爱德加·戴尔提出了“经验之塔”理论,他用一个学习经验的三角形塔来表示不同经验的抽象程度,他认为最抽象的是( )。
A.
视觉符号
B.
电影电视
C.
语言符号
D.
角色扮演
【单选题】He has stopped taking heroin (海洛因) now, but admits ________ that he will always be a drug addict.
A.
practically
B.
violently
C.
sincerely
D.
candidly
【单选题】He has to do his homework now, _______? [ ]
A.
has he
B.
hasn't him
C.
does he
D.
doesn't he
【简答题】经验之塔理论是谁提出来的( ) a. 加涅 b. 巴班斯基 c. 戴尔 d. 布鲁纳
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