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【简答题】
木门框与墙缝的处理方法有 、 和钉筒子板三种。
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A.
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B.
原子核外电子的数目越多,电子的运动状态就越多
C.
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D.
所有元素原子的最外层电子数都等于该元素的最高化合价
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A.
He listens very carefully to me and copies what I say.
B.
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C.
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D.
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A.
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B.
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A.
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B.
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A.
灭火
B.
做温室肥料
C.
制造汽水
D.
干冰用于人工降雨
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