“鄂伦春”一词有两种含义：“（）”和“（）”。

阅读理解。

     Cell phones are all around us. We use cell phones to call our friends, send text messages, play

games, and even take photographs. Now imagine using your cell phone to call your air conditioner. If

this were possible, you could tell your air conditioner to turn on before you got home. Does this sound

impossible to you? Well, it could become possible sooner than you think. In the near future, we might

use cell phones as remote controls for the electrical devices in our homes.

     People are already working to develop different ways to communicate wirelessly with devices we

use every day. For example, it is already possible for cell phones to communicate with laptop

computers. Business people using laptops during meetings can use their cell phones as remote controls.

They can use their cell phones to send instructions to computers to turn on, change pictures, and turn

off.

     With the same technology, people can use their cell phones to control other devices. You can call

your stereo to play music automatically. You can call your lights to turn on when you enter a room.

Maybe even by next summer you will be able to call your air conditioner!

1. What is the main idea of this passage?

A. In the future we will all need air conditioners.

B. Business people need to use computers.

C. Some people like to make phone calls to machines.

D. We will use cell phones as remote controls in the future.

2. Cell phones can be used to turn on and off ________ in the future.

A. a special computer

B. different kinds of devices

C. cell phone companies

D. remote controls

3. Which probably could NOT be controlled by a cell phone?

A. An air conditioner or heater.

B. A computer or printer.

C. A table or a basket.

D. A CD player or MP3 player.

4. When will people be able to use their cell phones as remote controls for their homes?

A. Now.

B. Soon.

C. In ten or fifteen years.

D. Never.

5. Which instructions can be sent to a laptop according to the passage?

A. Play sound and music.

B. Start and shut down.

C. Call again and hang up.

D. Go faster and go slower.

采用低频滤波装置时，保留的超声信号来自（）.

A.心壁

B.腱索

C.瓣膜

D.血管壁

E.血流

病人消谷善饥可见于：()

A.肝火犯胃

B.胃火炽盛

C.脾胃湿热

D.胃阴不足

E.胆火上炎

患者烦渴多饮半月余，口干舌燥，尿频量多，舌边尖红，苔黄，脉洪数有力。方选（）。

A.消渴方

B.玉女煎

C.七味白术散

D.六味地黄丸

E.金匮肾气丸

（）is an indication that the weather is about to clear.

A.Rising clouds

B.Lowering clouds

C.Thickening clouds

D.Scattering clouds