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【简答题】
已知函数f(x)具有任意阶导数，且f'(x)=(f(x)) 3 ，则当n为大于1的整数时，f(x)的n阶导数f (n) (x)为( )． (A)(2n-1)!![f(x)] 2n+1 (B)(2n-1)[f(x)] 2n+1 (C)(2n-1)!![f(x)] 2n (D)(2n-1)[f(x)] 2n
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【单选题】Which statement best describes George Daniels' interest in watches?
A.
His interest in watches was strong because his father was a watchmaker.
B.
His interest in watches grew because he had to repair watches when he was in the army.
C.
His interest in watches started at school.
D.
His interest in watches is lifelong.
【单选题】_________ the floor, I found his pen lying on the ground.
A.
While sweeping
B.
While swept
C.
If sweeping
D.
If swept
【简答题】Listed in the box below are some of the words you have learned in the text. Complete the following sentences with them. 【Change the form where necessary.】 [ accessorize; alert; critique; glamorous...
【单选题】______ my father, who is devoting much of his time to English, I don't have any interest in it at all.
A.
Dislike
B.
Likely
C.
Alike
D.
Unlike
【单选题】Which statement hest describes George Daniels' interest in watches?
A.
His interest in watches was strong because his father was a watchmaker.
B.
His interest in watches grew because he had to repair watches when he was in the army.
C.
His interest in watches started at school.
D.
His interest in watches is lifelong.
【单选题】I have had such a case_________a boy whispered to his classmate now and then while I was having lessons.
A.
as
B.
that
C.
which
D.
where
【简答题】I have excluded him because, while his accomplishments may contribute to the solution of moral problems, he has not been charged with the task of approaching any but the factual aspects of those probl...
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