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【单选题】
关于函数 的极值下列说法正确的是 ( )A.
有极大值无极小值
B.
有极小值无极大值
C.
既有极大值又无极小值
D.
无极值
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举一反三
【单选题】We hope that they're going to _____ justice impartially
A.
adapt
B.
administer
C.
adopt
D.
allocate
【简答题】点的三面投影有几种规律,分别是什么?
【简答题】A: We forecast an increase in sales.__________2. A: I don't think I can finish my report by Wednesday.__________3. A: Unfortunately, they didn't estimate the costs properly.__________4. A: I hope Pete...
【简答题】__________A: We forecast an increase in sales.__________A: I don't think I can finish my report by Wednesday.__________A: Unfortunately, they didn't estimate the costs properly.__________A: I hope Pet...
【简答题】听句子,选择正确答语.每个句子读一遍。 ( )1. A. Because they're our friends. B.Because they're dogs. C.Because we don't have animals. ( )2. A.Next year. B.In 1921. C.In the future. ( )3. A.It's beautiful. B....
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