根据购买力平价理论，决定汇率长期趋势的主导因素是（）。 A.国际收支 B.国内外通货

阅读表达（共5小题，每小题2分，满分10分）

What’s going to happen in the future? Here are some things that scientists say is most likely to happen 10 to 30 years from now.

1. Digital money

We used to pay with cash（现金）for everything we bought. In fact, we are already using one type of digital money, when we swipe（刷）our bus pass or use a credit card（信用卡）to shop online.

You have to admit that using a card is much easier than searching your pocket for change. It is also _________ than _________a lot of cash with you. You needn’t worry about your cash being stolen. People in Sweden completely stopped using cash last year and the US might be next.

2. Bionic（仿生的）eye

（1）People who are blind may have a chance to get their sight back---by wearing bionic eyes. A blind eye can no longer sense light, but a bionic eye can use a camera to “see” the environment and send data into the brain.

Although the bionic eye that’s out now only allow patients to see lights and unclear shapes, a high resolution（高清的）version could be just a few years away.

3. Self-driving car

Unlike a human driver, a self-driving car won’t be distracted （分神）by a phone call, the radio or something outside the window. Sensors（探测器）and cameras on the car would allow it to keep strictly to the rules of the road and keep a safe distance from other cars. This would greatly reduce the number of road accidents. Many vehicle companies are now planning self-driving cars. By 2040, driverless vehicles will be the main vehicles on the road.

小题1:在文中空白处填上适当的单词______________   ________________

小题2:将（1）翻译成汉语____________________________________

小题3:回答问题What would allow a car to keep strictly to the rules of the road?   ___________________________________________________________________________

小题4:在文中找出的同义句In the past, we spent with cash on the things we bought.   ___________________________________________________________________________

小题5:找出本文的主题句___________________________________________

西部干旱半干旱地区内部景观差异由东往西应该是    （ ）

A．森林——森林草原——草原——荒漠草原——荒漠

B．荒漠——草原荒漠森林——草原——森林草原——森林

C．森林——草原——森林草原——荒漠——草原荒漠

D．荒漠——草原荒漠——草原——森林草原——森林

GPS网的同步观测是指（）。

A、用于观测的接收机是同一品牌和型号；

B、两台以上接收机同时对同一组卫星进行的观测；

C、两台以上接收机不同时刻所进行的观测；

D、一台收机所进行的二个以上时段的观测。

TCP层和BP层中的汇聚协议分别是（）。

A.TCP和UDP

B.TCPCLP和UDP

C.TCPCLP和LTP

D.TCP和LTP