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【单选题】
可以通过血-脑屏障兴奋呼吸中枢的物质是A.
O 2
B.
Na +
C.
CO 2
D.
H +
E.
N 2
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举一反三
【单选题】Which theory concluded those objective perspectives in western literar theory well.
A.
the pragmatic theory
B.
the expressive theory
C.
the mimetic theory
D.
the formative theory
【单选题】下列关于学习动机的论述，错误的是（）。
A.
学习动机回答的是“为什么”学习的问题，而学习目的是回答“为了什么”而学习的问题
B.
学习动机主要有激发学习行为，为行为定向和维持行为三种作用
C.
学习动机作为人类行为动机之一，是直接推动学生进行学习以到达某种目的的心理动因
D.
按学习动机作用的主次不同，学习动机可划分为内部学习动机与外部学习动机
【单选题】Is it the years _______ you worked in Africa as a doctor _______ have a great effect on your literary works?
A.
that; where
B.
that; that
C.
when; where
D.
when; that
【单选题】Ever since it appeared on the cultural scene, the Enlightenment has had its passionate critics. Philosophers as well as politicians have criticized its rationalism, its individualism, its cosmopolitan...
A.
The difference between rationalism and materialism
B.
the former represents disintegration and the latter represents integration
C.
the former emphasizes differences and individual identity, the latter emphasizes common humanity
D.
The former is for Enlightenment and the latter is opposed to Enlightenment
【单选题】Which theory concluded those objective perspectives in western literar theory well.
A.
the pragmatic theory
B.
the expressive theory
C.
the mimetic theory
D.
None of the above
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