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专升本理工类英语政治数学

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专升本理工类英语政治数学

题目内容

(

单选题

)

2

( ).

A、　单调增加且为凹

B、　单调增加且为凸

C、　单调减少且为凹

D、　单调减少且为凸

答案：B

解析：解析:本题考查的知识点为利用一阶导数符号判定函数的单调性和利用二阶导数符号判定曲线的凹凸性.

专升本理工类英语政治数学

18. Returning to my apartment ( ).

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15. Do you have any ( ) the sentence ?

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24毛泽东在《论十大关系》中提出的中国社会主义建设的基本方针是()

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48A child learns to read by seeing the words ( ).

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2. Not too many years ago, it was an ( ) experience to travel 25 or 50 miles from home.

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16. The letter ( ) I mailed to my sister a month before Christmas has not yet reached her.

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8. It usually takes much ( ) time to fly from one country to another than to travel by train.

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7

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3. Mr. Brown often wears a heavy coat because he is not used ( ) in such a cold climate.

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235.全心全意地依靠工人阶级是因为

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专升本理工类英语政治数学

题目内容

(

单选题

)

手机预览

专升本理工类英语政治数学

2
( ).

A、　单调增加且为凹

B、　单调增加且为凸

C、　单调减少且为凹

D、　单调减少且为凸

答案：B

解析：解析:本题考查的知识点为利用一阶导数符号判定函数的单调性和利用二阶导数符号判定曲线的凹凸性.

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专升本理工类英语政治数学

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专升本理工类英语政治数学

相关题目

18. Returning to my apartment ( ).

A. 　 my watch was missing

B. 　 I found my watch disappeared

C. 　 I found my watch missing

D. 　 the watch was missed

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15. Do you have any ( ) the sentence ?

A. 　 difficulty to understand

B. 　 difficulty in understanding

C. 　 difficulties at understanding

D. 　 difficulties to understand

解析：解析:have any difficulty in doing sth.

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24毛泽东在《论十大关系》中提出的中国社会主义建设的基本方针是()

A. 　统筹兼顾

B. 　调整、巩固、充实、提高

C. 　积极引导、稳步前进

D. 　调动一切积极因素为社会主义事业服务

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48A child learns to read by seeing the words ( ).

A. 　 properly

B. 　 repeatedly

C. 　 repeatly

D. 　 obviously

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2. Not too many years ago, it was an ( ) experience to travel 25 or 50 miles from home.

A. 　 excited

B. 　 exciting

C. 　 excitement

D. 　 excitingly

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16. The letter ( ) I mailed to my sister a month before Christmas has not yet reached her.

A. 　 that

B. 　 which

C. 　 /

D. 　 all of the above

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8. It usually takes much ( ) time to fly from one country to another than to travel by train.

A. 　 more

B. 　 less

C. 　 little

D. 　 least

解析：解析:有than,肯定是比较级。

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7

A. 　∞

B. 1

C. 0

D. -1

解析：试题解析:本题考查的知识点为导数的几何意义.

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3. Mr. Brown often wears a heavy coat because he is not used ( ) in such a cold climate.

A. 　 to live

B. 　 to living

C. 　 live

D. 　 lived

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235.全心全意地依靠工人阶级是因为

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