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【判断题】
如果向不同两点简化,简化结果相同,则主矢为零,主矩必不为零。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】The writer learnt a lot about history, geography and languages through collecting stamps.
A.
Right.
B.
Wrong.
C.
Doesn't say.
【简答题】An oral history is a piece of writing based on an interview with a person who has lived through a significant period in history or experienced a historical . His or her memories provide a persona...
【简答题】The writer learnt a lot about history, geography and languages through collecting stamps.
【判断题】The transmission is usually considered to be the heart of the automobile.
A.
正确
B.
错误
【单选题】The fascination with dreams has continued through the various phases of human history. There is reason to believe that the earliest societies may have considered dreaming as a voyage of the soul, a se...
A.
imaginary
B.
likely
C.
suspicious
D.
inevitable
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