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(浙江英语·八年级上册)轻轻松松迎期末——每日综合测 02

作者UID:9673734
日期: 2024-09-16
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①What will you do if you see a cockroach(蟑螂)? Quite a few people are very afraid of it, so they may shout for help or try to kill it. Next time you see it, you may need to think twice before killing it.

②There were cockroaches on the earth long ago, and many people believe that they will still be here long after all the people leave it. Cockroaches are small in size, and they are good at climbing and jumping. A cockroach can live for about a week even without a head.These make them great helpers during the search and rescue missions(搜救任务).

③Alper heads up a scientist team at North Carolina Stage University. "I joined the search and rescue missions in Turkey in 1999,"he said. "one of the most difficult problems was to find where the living people were. We needed to find them in a short time, but there was no useful way to help us at that time." So Alper and his team had the idea of turning cockroaches into special robots

④Scientists put a small sensor(传感器) and a smart camera(相机)on a cockroach's back. Cockroaches climb everywhere with them. With a sensor and the camera, cockroaches can tell people from other things, and then find where the missing people are. In this way, more people can be saved in time.

⑤All in all, the scientists hope these special cockroach roots will be used for more work over the next five years. "We never thought we would see the day, but here we are!" a scientist said

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