设有定义语句：struct stu{int x；float y；}stutype；则下列的说法不正确的是_____。
A. struct是定义结构体类型的关键字
B. struct stu 是用户定义的结构体类型
C. x和y都是结构体成员
D. stutype 是用户定义的结构体类型名
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What does Mr. Slade mean by saying “I've been around”?
A. He has been in a circle.
B. He has gained experience.
C. He has been in an area near a place/person.
Why did Mr. Slade say “There was a time I could see.”?
A. He could see before, but now he couldn’t.
B. His arms were torn out and his legs were ripped off.
C. He couldn’t see before.
According to the video, Charlie's silence___
A. is right.
B. is wrong.
C. It’s hard to say whether it’s right or wrong.
According to the video, what should leaders be made of?Choose the incorrect answer.
A. Integrity.
B. Courage.
C. Silence.
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