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【简答题】
设F(x)是f(x)在区间I上得一个原函数,则称f(x)的全部原函数F(x)+c为f(x)的 , 记作 ,所以 =
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皮皮学刷刷变学霸
举一反三
【单选题】--- What’s your family rules? --- We shouldn’t talk ____ food in our mouths while having meals.
A.
with
B.
in
C.
of
D.
at
【单选题】Please note that we require the amendment L/C by the 30 th September.
A.
to
B.
for
C.
of
D.
in
【判断题】While having small talk with the visitor, remember to choose safe topics for your talk.
A.
正确
B.
错误
【单选题】Please note that we require the amendment _____ L/C by the 30th September.
A.
to
B.
for
C.
in
D.
with
【判断题】While having small talk with the visitor, remember to choose safe topics for your talk.
A.
正确
B.
错误
【单选题】Small communities are disappearing with some of them having _____ from the face of the earth, while others are dying slowly
A.
vanished
B.
established
C.
approved
D.
perceived
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