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【简答题】
分级包括大小分级、 [填空(1)] 分级和色泽分级。 A. 成熟度
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皮皮学刷刷变学霸
举一反三
【简答题】听力原文：How are the family roles changed? How are the family roles changed? The dependent parents are cared for as if they were ______
【简答题】光周期现象（名词解释）
【单选题】_______your father wants to know is________ getting on with your studies. A. What; how are you B. What ; how you are C. How ; that you are D. That ; how you are
A.
What; how are you
B.
What；how you are
C.
How；that you are
D.
That；how you are
【简答题】名词解释: 光周期现象
【简答题】我们知道如何谈恋爱，这一般是一种（）。
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