成就动机理论的研究表明，成功概率约为以下哪个数值的学习任务，_爱下问搜题

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问题单项选择题

成就动机理论的研究表明，成功概率约为以下哪个数值的学习任务，最有利于激发学生达到最佳动机水平

A．20%

B．30%

C．50%

D．70%

答案

参考答案：C

判断题

房地产市场上的投资周期领先于自然周期的变化。 ( )

补全对话，情景问答

根据对话内容。选择恰当的句子补全下列对话。

A. How shall we get there?
B. What's the talk about?
C. Can we ask John to go with us?
D. I like music very much.
E. Shall we go to see a film?
F. That's all right.
G. Why not go there together?

A: Jim, what are you going to do tonight?
B: I have no idea. What do you suggest?
A: 1_________
B: Sounds good! But I hear there will be a talk at 7:00 in the City Hall.
A: 2_________
B: The history of music. I'm interested in music.
A: Me, too. 3_________
B: Good idea! But we must be quick. We have only twenty minutes left.
A: 4_________
B: We have to take a taxi because it's quite a long way.
A: 5_________ He likes music, too.
B : OK. Let's go.