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从满足人类入住需要的角度出发，房地产产品的功能可从适用程度、屋宇设备完备程度、平面布置、物理性能、耐久程度和建筑艺术等方面进行评价。 ()
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人是淋巴丝虫的
【B18】
听力原文：W: Lucy, Helen and Lisa went to the concert together last night.
M: Well, both Lucy and Helen enjoyed the concert but Lisa was sorry she had been there.
Who enjoyed the concert last night？
听力原文： In the earliest times, men considered lightning to be one of the great mysteries of nature. Some ancient people believed that lightning and thunder were the weapons of the gods. In reality lightning is a flow of electricity from high above the earth.
The American scientist and statesman, Benjamin Franklin, was the first to show the connection between electricity and lightning in 1752. In the same year he also built the first lightning rod. This device protects buildings from damage by lightning.
In file United States alone, lightning kills an average of one person every day. The safest place to be in case of an electrical storm is in a closed car. Outside, one should go to low ground and not get under tress. Also, one should stay out of' water and away from metal fence. Inside a house, people should avoid opening doors and windows and touching wires or metal things.
What did people once think about lightning？
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