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听力原文： A deadly infectious outbreak swept through a small city in Zaire, Africa last spring, killing more than one hundred people. The killer was a rare virus that caused most victims to bleed to death. As scientists rushed to control the outbreak, people in the U.S. wondered "Could it attack here？" "We are foolish if we think it couldn't come to our country," say doctors. The virus can be highly infectious. If you come in contact with a victim's blood or other body fluids, you can get sick too. It only takes one infected person to start such a disease. That's what scientists believe happened in Zaire. The healthcare workers who treated the first victims there soon fell ill too. The problem was they had no protective equipment to prevent themselves from being infected. International rescue workers brought equipment to prevent themselves from being infected soon after the outbreak occurred. Now the disease appears to be under control. One big mystery is that no one knows where the virus comes from or where it will strike next. Some scientists say that the virus lies inactive in the cells of some kind of plant, insect or other animal. Then it somehow finds a way to infect humans. Scientists are now headed into the jungles of Africa to find out where the virus lives. Once they find the virus, they also hope to find ways to combat it.
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Today almost everybody is using a cell phone. Now people are able to carry their phones wherever they go. They are making phone calls, regardless of the time, place and situation. ',It is tree that technology is making our lives easier and more practical. For example, today parents like their children to carry cell phones so that they can reach them at any time.
From my point of view, the cell phone is necessary for emergency(紧急情况) situations and for business. It's also practical to avoid stress. Unexpected problems are always cropping up(突然出现), and using a cell phone can get rid of the stress they cause. For example, if you are in a traffic jam and know you will arrive late to work, you can call your boss and in form. him of the situation, overcoming this unexpected problem. Or, if you have a small car accident, you can call people to inform. them of your situation.
The widespread use of this device is amazing. It has become an important part of our daily lives. Whenever people forget their phones at home, they feel uncomfortable or unable to function. Another advantage of having a cell phone is that you can connect to the Internet and check your e-mail. In addition, you can access information such as news or movie theater schedules. Life is now fast and busy, and this high tech communication device has become a must. We need cell phones to keep up with the fast pace of life and the new demands of life in our ever changing world.
Cell phones can make our life ______.
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