人造地球卫星环绕地球运行必须满足的高度条件是（）。 A.高于80KM B.高于90K

阅读理解。

     Paris is the capital of France. Its subway is also very special. You can enjoy its culture when you are in

this city. First you can see many people reading books in the subway. Whenever they are in the subway or at

the station, there is always a book in the hand.

     The subway station in Paris is not big, but each of them has its special facts. Some stations look like ships.

Some stations have clothes, caps and shoes. And every station has a big advertisement picture. But many of

them are for selling clothes and cosmetics (化妆品).

     You can meet some beggars (乞丐) in the subway. But the beggars in the Paris subway are also very

special. They often play the violin or guitar in the train. They don't feel shy at all. Instead they think it is

natural. After playing, they will go around the train and ask you to give them some money.

     If you want to learn more about Paris, go to the subway and enjoy its culture by yourself.

1. What do many people usually do when they are in the subway? 

A. Listen to music. 

B. Beg some money. 

C. Sell clothes and cosmetics. 

D. Read books.

2. How do the beggars get money from people in the subway? 

A. They often play the violin or guitar in the train. 

B. They usually brush shoes for the passengers. 

C. They often steal money from the shops.

D. They usually help the passengers carry suitcases.

3. What's the main idea of this passage? 

A. Reading in the Paris subway. 

B. The subway is a window of the Paris culture. 

C. The beggars in the Paris subway usually have some skills. 

D. Each of the subway station in Paris has its special facts.

水闸工程的管理范围是水闸管理单位直接管理和使用的范围，包括( )。

A．护岸控导工程

B．水闸工程各组成部分的覆盖范围

C．综合开发经营生产基地

D．为保证工程安全、加固维修、美化环境等需要，在水闸工程建筑物覆盖范围以外划出的一定范围

E．管理单位生产、生活区建筑

有些企业貌似强大，但是它的技术和经营模式可复制性很强。它之所以能够暂时______，是因为它当初先人一步，集聚了大量的人气，导致后来者难以超越。但即便如此，同类产品早就______地等在那里，你中断服务，别人马上可以跟进。
依次填入划横线部分最恰当的一项是( )。

A．遥遥领先 守株待兔

B．标新立异 窥间伺隙

C．独占鳌头 虎视眈眈

D．鹤立鸡群 迫不及待

我国交通设施建设过程中，充分考虑了国防的要求，为国防提供最大限度的支持和保障。

广东番禺政府就垃圾处理问题问计于民，广泛听取各方意见，在研究分析的基础上，要为番禺的生活垃圾找到一个科学、合理的出路。政府“问计于民”[ ]

①说明民意是正确决策的重要信息资源②体现了我国的一切权力属于人民③坚持了从群众中来到群众中去的工作方法④说明公民可以与政府对话，直接行使国家权力

A．①②④

B．①②③

C．①③④

D．②③④