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【单选题】
下列现象用分子理论解释正确的是（ ）A.
矿石粉碎，说明分子可以再分
B.
将一滴红墨水加入到一杯水中，整杯水慢慢变红，说明分子在不断进行运动
C.
热胀冷缩，说明分子的体积发生了改变
D.
空气能被压入足球中，说明分子的质量很小
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举一反三
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【简答题】被动靶向制剂(passive targetin preparations)
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【单选题】Why does he say that he’s a nomad?
A.
Because he's traveling everywhere.
B.
Because he thinks his life is dull.
C.
Because people think he's an interesting life.
D.
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