一个底面是正方形的长方体纸盒，它的侧面展开图是一个边长为60cm的正方形。这个纸

阅读理解。

     New York, London, Paris and other big cities are exciting places to live in. There are many interesting

things to see and to do. You can go to different kinds of museums, and see all kinds of plays and films.

You can also buy things from all over the world.

     But there are serious problems in big cities, too. It's expensive to live there, and there are too many

people in the places of big cities. Every year many people move to the cities to find jobs, study at good

schools and receive good medical care. But sometimes these people can't find work or good places to live

in. Also it is hard to keep the cities safe and clean.

     Some people enjoy living in big cities, however, others do not. Before they move to big cities, they

should think about the problems of living there.

1. In big cities people can do all of the following Except _____.[ ]

A. go to different kinds of museums

B. seeing many kinds of plays and films 

C. buying things from all over the world

D. living there with little money

2. Which of the following is TRUE according to the passage? [ ]

A. Big cities are not clean and safe enough.

B. People can easily find good places to live in big cities.

C. People can always find work to do in big cities.

D. All people like to live in big cities.

3. From the passage we know that _____. [ ]

A. People in big cities are usually very dirty

B. Paris is an exciting place for people to live in

C. people will no longer like living in big cities

D. big cities don't have serious problems

4. In this passage the writer thinks it is right for people _____.[ ]

A. to move to big cities

B. not to move to big cities

C. to move to big cities without thinking of any problems

D. to move to big cities after they think over the problems of living there

5. Which is the best title for this passage? [ ]

A. Big cities

B. Interesting Things in Big Cities

C. Good Schools in Big Cities

D. New York, London and Paris

水轮发电机改变为调相机运行时，应将水轮机的导水叶（），增加发电机励磁电流即可。

A、全开

B、半开

C、关闭

对于河港的选址，（）的水域是其首选。

柴油机排气烟色不正常的原因？

根据我国目前的金融监管职能划分，指导部署金融业反洗钱工作，由( )负责。

A．证监会
B．银监会
C．中国人民银行
D．保监会