题目内容：

    The weather affects many aspects of people's daily life. Knowing and understanding what the weather is doing is useful.

However, the weather is also one of the most unpredictable elements in the world. Although many people watch the morning news and gather the information about the weather, this is often wrong. Whole days can be mined by believing that the weather will be one thing，when it turns out to he another. However, owning wireless weather stations allows the owners to monitor(监视，检查)the weather for themselves.

Not only will these weather stations allow the owners to see what the weather is doing, but it is personalized(个性化)to them and their area. Wireless weather, stations are specifically prepared for the immediate neighborhood. Plans will be able to be made，and important decisions will no longer be ruined by bad weather.

Although these weather stations are typically seen in homes, they can also he used very easily on farms and fishing boats. Both farmers and fishermen rely on the weather for their business and using up-to-date weather information is quite indispensable. By using the wireless weather stations, it can determine for them when to harvest crops and head back to the shore. Because of the size of the weather station, they can be moved very easily and used wherever necessary for people.

The wireless weather stations are great for all homes, especially for areas that suffer from extreme weather conditions. The up-to-date, instant weather reports will allow a person to monitor what the weather is doing and if the bad weather is heading in their direction. Extreme weather tends to come very quickly; therefore, any information that is received is helpful.

The weather stations are very simple to set up and are run by solar panels(太阳能板), ensuring they will work even if there is a power-cut. They are far smaller than those in previous years and give a couple of very simple read-outs for the owner. They are easy to use and fascinating to understand.

1.From paragraph 2, the author intends to___.

A.show us how unpredictable the weather used to be

B.explain the value of having wireless weather stations

C.make it clear how popular the morning news is

D.show how people got weather information in the past

2.What does the underlined word “indispensable” in Paragraph 4 mean?

A.Necessary. B.Indifferent.

C.Attractive. D.Impossible

3.What can we learn about a wireless weather station?

A.The information it provides is slow but more specific.

B.It is economical and saves money in the long run.

C.It can continue to work even if there is a power failure.

D.It's hard to set up but can be moved from one place to another.

4.What’s the main idea of the text?

A.The weather-the most unpredictable clement in the world.

B.The importance of knowing and understanding the weather.

C.The weather and its effects on people's daily life.

D.Good reasons for having wireless weather stations.