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国家开放大学 / 纳税基础与实务
盘盈的固定资产,以同类固定资产的重置完全价值为计税基础。( )
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纳税基础与实务
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4、()命令可以方便地查询指定两点之间的直线距离以及该直线与X轴的夹角。 A. 点坐标 B. 距离 C. 面积 D. 面域
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快原子轰击(FAB)适用于( )
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中石油
10、 Unless we spend money to spot and prevent asteroids (小行星)now, one might crash into Earth and destroy life as we know it, say some scientists. Asteroids are bigger versions of the meteoroids (流星)that race across the night sky. Most orbit the sun far from Earth and don‘t threaten us. But there are also thousands of asteroids whose orbits put them on a collision course with Earth. Buy $50 million worth of new telescopes right now. Then spend $10 million a year for the next 25 years to locate most of the space rocks. By the time we spot a fatal one, the scientists say, we‘ll have a way to change its course. Some scientists favor pushing asteroids off course with nuclear weapons. But the cost wouldn‘t be cheap. Is it worth it?Two things experts consider when judging any risk re:1)How likely the event is;and 2)How bad the consequences if the event occurs. Experts think an asteroid big enough to destroy lots of life might strike Earth once every 500, 000 years. Sounds pretty rare—but if one did fall, it would be the end of the world. “If we don‘t take care of these big asteroids, they‘ll take care of us, ”says one scientist. “It‘s that simple. ” The cure, though, might be worse than the disease. Do we really want fleets of nuclear weapons sitting around on Earth?“The world has less to fear from doomsday (毁灭性的)rocks than from a great nuclear fleet set against them, ”said a New York Times article. 1. What does the passage say about asteroids and meteoroids?A) They are heavenly bodies different in composition. B) They are heavenly bodies similar in nature. 【外语教育&网
大学英语2
11、 一次献血量不超过全身血量的10%时, 下述叙述哪项是错误的? A.丢失的水在失血后1-2h内恢复 B.丢失的血浆蛋白在24h左右恢复 C.红细胞在一个月内恢复 D.出现明显临床症状
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