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【单选题】
“跳一跳能摘到桃子”来形容（）A.
B.
转折期
C.
最近发展区
D.
危机期
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参考解析：
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皮皮学刷刷变学霸
举一反三
【简答题】spend ____
【简答题】等比数列 的前 n 项和为 ，已知 ， ， 成等差数列，则 的公比为______。
【单选题】Integration ______ is the process of verifying that the components of a system work together as described in the program design an system design specification.
A.
trying
B.
checking
C.
testing
D.
coding
【单选题】听力原文：M: Have you decided where to take the client to dinner tonight? W: Well, I originally made a reservation at Apple's, which is a steakhouse and then I found out that the client is a vegetarian. I ...
A.
She couldn' t make a reservation.
B.
Her guest doesn't eat meat.
C.
The restaurant would be noisy.
D.
Traffic might be heavy.
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