—Pity you missed the lecture on nuclear pollution.—I____ it, but I was busy preparing for a job inte

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• —The movie Till Death Do Us Part 《最爱》will be on at 8 pm．What about picking you up at 7pm?—All right．
• 计算：（）。-九年级数学
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• 计算：。-九年级数学
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• After a fire broke out in the workshop, a lot of equipment ____.A．is damagedB．had damaged C．was dama
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• 时钟上的分针匀速旋转一周需要60分，那么经过10分钟分针旋转了（）；三角形的三边长分别为，，，，则这个三角形的周长为（）；下图可以看作是一个等腰直角三角形旋转若干次而生成-九年级数学
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• 计算：=（）。-九年级数学
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• 计算：（-1）2009-+=（）。-八年级数学
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• Stop! You can never touch this machine when it ________, it is very dangerous. A．has been operatedB．
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