一个多边形的内角和比它的外角和的2倍还大180°,这个多边形的边数为:( )A

题型:选择题

问题:

一个多边形的内角和比它的外角和的2倍还大180°,这个多边形的边数为:(   )
A.7
B.8
C.9
D.10
考点:多边形的内角和和外角和
题型:选择题

阅读理解。

     You're listening to Radio Five. Regular listeners know that every Thursday I give a list of places in the

city that are looking for volunteers. Perhaps you'd like to get a pencil and write down the ones that interest

you.     

     Tiny Tot Preschool is looking for someone who will sing songs to the children on Tuesday mornings.

The best person for the job would be someone who plays the piano or guitar.

     Primary School 39 needs volunteers to tutor students with English homework after school on Mondays,

Wednesdays, and Fridays. If you are good at English, this is a great chance.

     The Parks Department needs volunteers to help clean up the parks before National Day. If you like to

work outdoors and help the environment, this job is for you.

     Lastly, the Community Center is looking for volunteers to work with older people on weekends. You

can help read and write letters for seniors with bad eyesight. The Center also needs a few students to do

fix-up work on houses. If you often help your grandfather repair his house, perhaps this is the perfect job

for you.

     If you are interested in any of the jobs, you can call us on 478-2377.

     That's all for now. People need your help. Volunteer today!

1. We can get some information about volunteers on Radio Five _____.

A. on Sunday

B. on Tuesday

C. on Wednesday

D. on Thursday

2. Jane wants to volunteer in Tiny Tot Preschool, she should _____.

A. have work experience as a teacher

B. be good at play football

C. like singing songs to kids

D. speak English well

3. If you have ever repaired the old house, you can volunteer to work in _____.

A. Tiny Tot Preschool

B. the Parks Department

C. Primary School 39

D. the Community Center

4. The underlined word in the 5th paragraph probably means "_____" in Chinese.

A. 高中生

B. 毕业生

C. 老年人

D. 残疾儿童

5. Which of the following is TRUE according to the passage?

A. Tiny Tot Preschool's telephone number is 487-2377.

B. Volunteers can help the students with English homework in Primary School 39.

C. The Parks Department needs volunteers to help hand out advertisements.

D. The Community Center is looking for volunteers that can work on workdays.

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A.+x

B.+x

C.++x

D.++x

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机洗照片出现黄色污染,有水迹的原因是

A.普通片冲洗
B.水洗不够
C.显影温度高
D.定影温度低
E.鼓风机风量不足

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猪苓汤与五苓散二方的组成药物中均含有()

A.白术 茯苓

B.泽泻 猪苓

C.滑石 甘草

D.茯苓 桂枝

E.滑石 阿胶

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A.镀锌钢绞线

B.铁线

C.钢丝绳

D.钢绞线

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