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【多选题】
劳斯表中出现行,说明存在关于原点对称的根,这些根()求得。A.
求解系统特征方程
B.
求解辅助方程的导数方程
C.
求解行上一行构造的辅助方程
D.
无法
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【简答题】听力原文：What is one thing mentioned as an example of a private matter? What is one thing mentioned as an example of a private matter? ______are mentioned as an example of private matters.
【单选题】what example is mentioned in paragraph 9?
A.
Sir Daniel's example
B.
Sgt. Russell's example
【单选题】What example is mentioned in paragraph 9?
A.
Sir Daniel's example
B.
Sgt. Russell's example
【单选题】In a new situation, an intelligent person__________.
A.
knows more about what might happen to him
B.
is sure of the result he will get
C.
concentrates on what to do about the situation
D.
cares more about himself
【简答题】What does the example of India illustrate?
【简答题】What does the example of Basque and Welsh illustrate?
【简答题】What is mentioned as an example of important matters? __________ affairs.
【简答题】What is the recent example of zoonotic disease in China?
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