问题
填空题
含硫火柴燃烧的生成物是______，它是一种______气体，能够使______褪色，也是大气的主要污染物之一．
答案
硫在空气中燃烧生成二氧化硫，二氧化硫是一种有刺激性气味的气体，能使高锰酸钾溶液褪色．
故填：二氧化硫；有刺激性气味的；高锰酸钾溶液．
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含硫火柴燃烧的生成物是______，它是一种______气体，能够使______褪色，也是大气的主要污染物之一．
硫在空气中燃烧生成二氧化硫，二氧化硫是一种有刺激性气味的气体，能使高锰酸钾溶液褪色．
故填：二氧化硫；有刺激性气味的；高锰酸钾溶液．
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| I was waiting for the bus when I met the woman. "You look 1 . Come and sit here," she said. " 2 are you going?" "I don't know. I just want to catch a 3 and see what it will be like at the end." "I'm afraid you'll see 4 there. Why don't you enjoy the sights on the way?" "How can I do that while my heart's 5 ?" I asked sadly. My best friend had left me. The woman seemed to understand my feeling. "Don't cry, little girl. I've had a similar experience to you. Thirty-five 6 ago, my husband left our three children and me. I was deadly sad. I decided to kill myself and the children, so I took 7 to the sea. 8 , they seemed to know what would happen, so they 9 loudly. Their cry suddenly woke me 10 . How could I 11 my hope to live for one of life's problems? After that, I worked hard to raise the children. Now they all live 12 and one of them has his own family. Then the woman gave me a 13 , "We should never wait for the door to 14 before us. We should find the key to the 15 or try to find another way". The bus came and I got on it with a smile. | ||||
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