问答题简答题：简述鲍温反应系列及共生组合规律？（10分）

题型：阅读理解

阅读下面五则广告，根据广告内容完成后面的句子，每空一词。

Internationnal Picnic

Come to Central Park this Saturday to enjoy food from many countries. Delicious and not expensive.

From 11:00 a．m．t0 3:00 p.m.

Happy Land

Do your children like nice songs or exciting dances? Happy Land will teach these things to your

children at City Hall on Saturday morning.Do You Want to hear S.H.E

S.H. E,a popular singing group from Taiwan,is going to give a show this Saturday evening at People's

Park.

Movies at N. Theatre

Two American movies on Sunday afternoon at N.Theatre. Twelve Mon,keys at 14: 30. Children of

Men, at 16:20.

The Coolest Soccer Game

On Sunday night you can see the coolest soccer game this year. Don't forget（忘记）to wear your

sweaters and jackets.

1. Go to Central Park,and you can many kinds of .

2. On____morning,you can take your____to learn singing and dancing.

3. If you want to hear S.H.E,you have to go to People's Park this .

4. We can see American at N.Theatre this Sunday afternoon.

5. If you want to see the game,you have to wear and .

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题型：选择题

下列运算正确的是（　　）

A．x^-4•x=x^-3

B．x¹⁰÷x⁵=x²

C．x³•x²=x⁶

D．（2x^-2）^-3=-8x⁶

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题型：选择题

如图所示，理想变压器原、副线圈的匝数比为10：1，b是原线圈的中心接头，电压表V和电流表A均为理想电表．从某时刻开始在原线圈c、d两端加上交变电压，其瞬时值表达式为u=220

sin100πt（V）．下列说法正确的是（　　）

A．当单刀双掷开关与a连接时，电压表的示数为22V

B．当单刀双掷开关与b连接时，电压表的示数为11V

C．当单刀双掷开关与a连接，滑动变阻器触头P向上移动的过程中，电压表的示数不变，电流表的示数变大

D．单刀掷开关由a扳向b时（滑动变阻器触头P不动），电压表和电流表的示数均变大

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题型：单项选择题

工程建设施工项目投标中，投标人根据招标文件载明的项目实际情况，拟在中标后将中标项目的( )工作进行分包的，应当在投标文件中载明。

A．部分主体、非关键性
B．部分非主体
C．部分非主体、非关键
D．部分关键性

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题型：单项选择题

诊断囊状水瘤较为简便有效的方法为（）

A.颈部触诊

B.颈部B超检查

C.颈部CT检查

D.颈部MRl检查

E.透光试验

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简述鲍温反应系列及共生组合规律？（10分）

题目：

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