将短文中画线部分的句子翻译成中文。

  It is possible that many health problems are caused by smoke and other kinds of air pollution in people’s houses and apartments. We know about air pollution in the street but it’s a big surprise to know we are also in danger at home. 25. It is possible that 50 percent of homes are not safe. There are many things we can do to make things better. 26. It is important for both children and adults to stay away from smoke. It helps if you can open your windows, even in winter.

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阅读下面短文，将短文中画线部分的句子翻译成中文，并将其答案写在答题卡的相应位置上。
We are all busy talking about and using the Internet. But how many of us know the history of the Internet?
At first the Internet was only used by the government . 112. But in the early 1970’s , universities, hospitals and banks are allowed to use it , too . However, computers were still very expensive and the Internet was difficult to use. By the start of the 1990’s, computers became cheaper and easier to use. Scientists had also developed software that made “surfing” the Internet more convenient.
113Today it is easy to use the Internet and sending e-mail is more and more popular among students.

阅读下面短文，将短文中画线部分的句子翻译成中文。将答案写在答题纸的相应位置上。（共6分，每小题2分）
【小题1】In 1938, a radio program by actor Orson Welles announced that aliens from Mars had landed on the earth. He described where they had landed and told how they were moving across the United States. Welles was so convincing that hundreds of people believed the story,and panic set off across the whole country. By the time the authorities revealed that the story was a hoax, thousands of people had fled from their homes.
One April Fool's Day, a reporter in England announced that there would be no more spaghetti because the spaghetti.Many people ran to their local supermarket to buy as much spaghetti local supermarket  to buy as much spaghetti as they could. 【小题2】By the time people realized that the story was a hoax, all of the spaghetti across the country had been sold out.
A famous TV star once invited his girlfriend onto his show on April Fool's Day. He asked her to mary him. She was thrilled, because she really wanted to get married. 【小题3】 However, when she said "yes", he replied, "April Fool!" That little joke didn't have a very happy ending. The TV star lost both his girlfriend and his show.