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【简答题】
若σ为V上的可逆线性变换，W≤V，则dim(σW)=dim(W). 若σ为V上的线性变换，W≤V，则dim(σW)=dim(W)?
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举一反三
【单选题】Long Conversation Directions: Listen to a long conversation and choose the best ans wer to each question you hear. 1.
A.
One or two times.
B.
Two or three times.
C.
Three or four times.
D.
Four or five times.
【单选题】Most Chinese parents would prefer to choose some professions that are stable ans could bring () and economic benefits.
A.
dedication
B.
prestige
C.
pursuit
【单选题】Long Conversation Directions: Listen to a long conversation and choose the best ans wer to each question you hear. 1.
A.
To get permission to attend his class.
B.
To get permission to quit his class.
C.
To get permission for a sick leave.
D.
To get permission to get her essay back.
【多选题】刑事诉讼法的任务是什么?
A.
保证准确、及时地查明犯罪事实,正确应用法律,惩罚犯罪分子,保障无罪的人不受刑事追究
B.
教育公民自觉遵守法律,积极同犯罪行为作斗争,维护社会主义法制,尊重和保障人权
C.
保护公民的人身权利、财产权利、民主权利和其他权利
D.
保障社会主义建设事业的顺利进行
【多选题】According to the counselor, why should the woman visit her professors office? Choose 2 answers.
A.
To offer a compliment
B.
To offer to help other students
C.
To introduce herself
D.
To suggest ways of making the class more personal
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