【单选题】【消耗次数:1】
If a substance is dissolved in water or heated, it may ____ a gas.
give into
give over
give off
give away
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②  B.没有人愚笨到偶尔也给别人提出好的忠告。
③  C.人再愚笨,有时也能给别人提出好的忠告。
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