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8已知y=ksin2x的一个原函数为y=cos2x,则k等于( ).

A、2

B、1

C、 -l

D、-2

答案:D

解析:试题解析:本题考查的知识点为原函数的概念、复合函数求导.

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专升本理工类英语政治数学
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224.“一国两制”构想的起初提出,是为了解决
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11在社会结构中居基础地位的是()
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2. Our concert turned out to be a great success, ( ) they had never expected.
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7. The French seem far more interested in reading about Africa ( ) about their nearest neighbors.
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9
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13. "John wants to see you today."“I would rather he ( ) tomorrow than today."
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144.邓小平理论形成和发展的时代特征是
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6. “My brother says he won’t help us.” “Oh, perhaps I can persuade him ( ).”
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专升本理工类英语政治数学

8已知y=ksin2x的一个原函数为y=cos2x,则k等于( ).

A、2

B、1

C、 -l

D、-2

答案:D

解析:试题解析:本题考查的知识点为原函数的概念、复合函数求导.

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专升本理工类英语政治数学
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224.“一国两制”构想的起初提出,是为了解决
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1. In ( ) century computers will be used more widely.

A.   twenty-one

B.   the twenty-one

C.   twenty-first

D.   the twenty-first

解析:解析:序数词前加the。

https://www.shititong.cn/cha-kan/shiti/0005ec64-d975-1900-c089-2897e0346513.html
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20. On the day he was to give his speech, Paul was suffering from one of ( ) colds he had ever had.

A.   bad

B.   worse

C.   the worst

D.   bad of all

解析:解析:suffer from 遭受……罪

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11在社会结构中居基础地位的是()

A.  阶级结构

B.  政治结构

C.  经济结构

D.  观念结构

解析:解析:本题考查的是社会结构的基础。马克思主义认为经济基础决定上层建筑,经济结构在社会结构中居基础地位。

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2. Our concert turned out to be a great success, ( ) they had never expected.

A.   what

B.   that

C.   when

D.   which

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7. The French seem far more interested in reading about Africa ( ) about their nearest neighbors.

A.   as

B.   than

C.   the same

D.   so

解析:解析:more 为比较级,只能than

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9

A.  为所给方程的解,但不是通解

B.  为所给方程的解,但不-定是通解

C.  为所给方程的通解

D.  不为所给方程的解

解析:试题解析:本题考查的知识点为线性常系数微分方程解的结构.

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13. "John wants to see you today."“I would rather he ( ) tomorrow than today."

A.   comes

B.   came

C.   should come

D.   has come

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144.邓小平理论形成和发展的时代特征是
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6. “My brother says he won’t help us.” “Oh, perhaps I can persuade him ( ).”

A.   to help

B.   helping

C.   for helping

D.   that he helps

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