题目内容：
When did Einstein' s family move to Munich?
A．When be was 2 years old. B．When he was 14 years old.
C．When he finished his study.
D．When he became a teacher.
参考答案：
答案解析：
单选题：When did Einstein' s family move to Munich?
- 题目分类：公共英语四级
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B．When he was 14 years old.
C．When he finished his study.
D．When he became a teacher.