题目内容：
学生原有的知识水平或者发展心理水平对新的学习的适应性称为_________。参考答案：
答案解析：
填空题：学生原有的知识水平或者发展心理水平对新的学习的适应性称为_________。
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- 题目类型：填空题
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阅读短文，回答题：Which of the following is the best topic for the pa
阅读短文，回答题：Which of the following is the best topic for the passage?A．Idiomatic Me
Emily: Did anybody sign your petition?Gordon: Yes, we had a
Emily: Did anybody sign your petition?Gordon: Yes, we had a hundred signatures,
Wendy: Do you know what Daisy's boyfriend does?Bill: _______
Wendy: Do you know what Daisy's boyfriend does?Bill: __________A．He's not a prof
求矩阵的特征值及各特征值对应的特征向量．
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已知二次型可经正交变换化成标准形，则a＝__________。
已知二次型可经正交变换化成标准形，则a＝__________。