挑战习题
1/6单选题
难度:

1.关于沸腾,下列说法中正确的是(  )
A 沸腾在任何温度下都能进行
B 沸腾时液体温度保持不变
C 沸腾是在液体表面发生的汽化现象
D 沸腾是在液体内部发生的液化现象
提示1:
IOayuOiFvuWPkeeUn+WcqOa2suS9k+eahOWGhemDqOWSjOihqOmdog==
提示2:
IOayuOiFvueahOadoeS7tu+8mui+vuWIsOayuOeCueOAgee7p+e7reWQuOeDrQ==
提示3:
IOayuOiFvueahOa4qeW6pueJueW+ge+8muW/hemhu+i+vuWIsOayuOeCue+8jOS4lOayuOiFvuaXtua4qeW6puS4jeWPmA==
正确答案:Qg==
PGRpdj7msrjohb7nmoTmnaHku7bvvJrovr7liLDmsrjngrnjgIHnu6fnu63lkLjng60sQemUmeivr++8m+ayuOiFvueahOa4qeW6pueJueW+ge+8muW/hemhu+i+vuWIsOayuOeCue+8jOS4lOayuOiFvuaXtua4qeW6puS4jeWPmO+8jELmraPnoa7vvJvmsrjohb7lj5HnlJ/lnKjmtrLkvZPnmoTlhoXpg6jlkozooajpnaLvvIzmsrjohb7lsZ7kuo7msb3ljJbnjrDosaHnmoTkuIDnp43vvIxD44CBROmUmeivrzwvZGl2Pg==