题目内容：
已知集合 A＝{x∈Z|﹣ 3＜x＜5}， B＝{y|y＝2x， x∈A}， 则 A∩ B 的元素个数为（）
A.6
B.5
C.4
D.3
参考答案：
答案解析：
选择题：已知集合 A＝{x∈Z|﹣ 3＜x＜5}， B＝{y|y＝2x， x∈A}， 则 A∩ B 的元素个数为（）
- 题目分类：高考
- 题目类型：选择题
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