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【多选题】
下列选项中关于现金流量图,说法正确的是( )。A.
现金流量是指在一定时期各时点上实际发生的现金流入或流出。
B.
净现金流量是指现金流出与现金流入之差。
C.
现金流量图中，横轴表示时间轴。
D.
现金流量图中，现金流入流出是相对于系统而言的，针对不同的对象，现金流入和现金流出可能恰好相反。
E.
在现金流量图中，第 N 期末和第 N+1 期期初不能在同一点上。
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【简答题】二极管正向导通时,阳极接( ),阴极接( )。
【单选题】听力原文：W: I hear that your sister Catherine was a great student. M: She is. She hasn't graduated yet. Q: What does the man think of Catherine? (16)
A.
She has finished her school.
B.
She is not a good student before.
C.
She hasn't finished her final paper.
D.
She's still a student.
【单选题】听力原文：W: I hear that your sister Catherine was a great student. M: She is. She hasn't graduated yet. Q: What does the man think of Catherine? (16)
A.
She has finished her school.
B.
She hasn't finished her final paper.
C.
She is not a good student before.
D.
She's still a student.
【单选题】— She is not a student. — He is not a student,______.
A.
too
B.
also
C.
still
D.
either
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