问题
单项选择题
胶带上有（）时，打开机头喷雾装置进行降尘。
A.干煤
B.湿煤
C.矸石
D.粉尘
答案
参考答案：A
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胶带上有（）时，打开机头喷雾装置进行降尘。
A.干煤
B.湿煤
C.矸石
D.粉尘
参考答案：A
“what’s the matter, mum?” As soon as I enter the door, I find that my mother is . It’s unusual —she usually the door and welcomes me with a smile! “She's dying,” mum says sadly. I what she says. The tulip (郁金香), mother’s is dying. A month ago, we moved our new house and mum bought a very beautiful tulip. Mum liked it very much. . she was free, she would sit her armchair beside the tulip and enjoys its beautiful colour sweet smell. She treated it like a baby and looked after it . She put the tulip by window and moved it from one place to to give the tulip enough sunshine. The first thing she did when she every morning was the tulip, Mum also fertilized (施肥) it many times. She hoped that with great care, the tulip would become more and more beautiful and , But the tulip was dying too much sunshine, water and fertilizer. It's true that mother loved the tulip. But this kind of love be harmful. Love can sometimes kill what you love.
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