| For more than thirty years scientists
have been searching for signs of life on other planets. Most of these searches
have been done over the radio. The hope is that someone in outer space may be
trying to get in touch with us. Scientists also have sent radio and television
messages, as well as messages on spaceships traveling through space, {{U}}on the
chance{{/U}} that someone may be receptive to such messages. Scientists are using powerful radio telescopes to "listen" to signals from about 1,000 stars, all within 100 light years of the earth. In addition, they will scan the entire sky to listen for radio messages from more distant stars. Using a computer, they will be able to monitor more than eight million channels at a time. Scientists are looking for any signal that stands out from the background noise. Of the A. have sent up spaceships to other planets B. have sent radio and television messages to outer space C. are listening to the radio message all the year round D. will use computers to pick up background noise [填空题]The largest hamburger in the world weighed more than 3,000 kilograms, which was made in 2001 by the people in Seymour.
[单项选择]Hurricane Katrina in August of 2005 killed more than 1,800 people（ ）.
A. in Georgia B. in New York C. along the Nile D. along the Gulf Coast [多项选择]Nowadays, more and more families choose to take their children to school and pick them up after school. Almost everywhere in China you can see the phenomenon: parents are waiting anxiously for their children outside the school. So many people and vehicles are crowded at the gate that the area looks like a market. Different people hold different opinions about this "Chinese style" educational phenomenon. Some people think it is necessary, while others hold the opposite view. What’s your opinion on the phenomenon Write an essay in at least 120 words on the answer sheet.
[单项选择]
Some years ago industries had more freedom than they have now, and they did not need to be as careful as they must today. They did not need to worry a lot about the safety of the new products that they developed. They did not have to pay much attention to the health and safety of the people who worked for them. Often new products were dangerous for the people who used them; often conditions in the work place had very bad effects on the health of the workers. 我来回答: 提交
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