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【判断题】
0601 若函数f在扩充复平面上只有有限个奇点,则这些奇点的留数和一定为零。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】The fish and smells because my father is a good .
A.
is well cooked; good; cook
B.
is cooked well; well; cook
C.
is well cooked; well; cooker
D.
is cooked well; good; cooker
【单选题】The dishes my mother cooked ____. Everyone at the party liked it.
A.
tastes good
B.
tastes well
C.
taste bad
D.
tasted good
【单选题】Factors affect aging of the senior people include:
A.
Psychological
B.
Economical
C.
Philosophical
D.
Physiological
【单选题】— Where's Susan, Mike? — She _____ in the kitchen. [ ]
A.
cooks
B.
cooked
C.
is cooking
D.
has cooked
【单选题】By the time I got up, my mother ______ the breakfast well. [ ]
A.
has cooked
B.
cooked
C.
have cooked
D.
had cooked
【判断题】A Chinese hostess, complimented for her cooking skills, is likely to say, "Oh, I'm so glad that you liked it. I cooked it especially for you."
A.
正确
B.
错误
【简答题】The beef_________now is for the dinner party. A. being cooked B, cooked C .been cooked D. cooking
【单选题】Factors affect aging of the senior people not include:
A.
Psychological
B.
Economical
C.
Philosophical
D.
Physiological
【简答题】According to researchers, what factor or factors affect cognitive aging?
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