If a substance is dissolved in water or heated , it may ()a gas.
A. give into
B. give over
C. give off
D. give away
If a substance is dissolved in water or heated , it may ()a gas.
A. give into
B. give over
C. give off
D. give away
C
「句意」 如果一种物质溶解在水里或被加热,它可能释放出一种气体。
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