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【判断题】
外嵌类和内部类在编译时,生成只生成一个 .class 文件A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Can people smoke in the plane?
A.
No，they can’t．
B.
Yes，but only in the toilet．
C.
Yes，but only in the passenger cabirL
【单选题】________ what she meant.
A.
Only then I understood
B.
Only then I did understand
C.
Only then did I understand
D.
Only then did I understood
【单选题】If only I ______my car!
A.
hadn't lost
B.
wouldn't lose
C.
didn't lose
D.
haven't lost
【单选题】If only I _____ my watch!
A.
hadn’t lost
B.
haven’t lost
C.
didn’t lost
D.
don’t lose
【简答题】Americans aren't the only people in the world who travel.
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