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【判断题】
一个向量组只要含有非零向量,则其极大无关组通常不唯一。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】听力原文：W: Have you decided where to go this winter, Harbin or Guangzhou? M: Well, I don't enjoy cold weather at all, but I'll go somewhere. What does the man mean?
A.
He will go to Harbin.
B.
He will stay at home.
C.
He will go on a trip.
【单选题】-I will go to Harbin for my summer vacation. What about you? -I haven't decided where_______.
A.
go
B.
went
C.
going
D.
to go
【单选题】---I will go to Harbin for my summer vacation. What about you? ---I haven’t decided where . A.go B.went C.going D.to go
A.
go
B.
went
C.
going
D.
to go
【多选题】为了不影响后续课程,无论实验是否完成,课程按时结束。实验没做完怎么办?
A.
如果下一组有空闲设备,申请跟着下一组同学一起做。
B.
预约实验室开放时间。
C.
下一次实验早来10分钟,简单做一遍。
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