水资源非常重要，联合国确定2003年为国际淡水年．下列关于水的说法中错误的是（ ）
| A．蒸馏法是海水淡化的方法之一 |
| B．淡水的密度小于海水的密度 |
| C．融化的雪水中矿物质含量比深井水中的少 |
| D．0℃以上，温度越高，水的密度越小 |
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| A．as a result of | B．on top of | C．in front of | D．in need of |
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| A． | other | B． | others | C． | one | D． | ones |
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| A．continued | B．immediate | C．careful | D．general |
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| A．as | B．if | C．though | D．unless |
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