阅读下面短文，判断句子正误。正确的写“T"，错误的写“F"。
Water is very important for living things. We can not live without water. All animals and plants need water.
Man also needs water.
As we all know (众所周知), water may be a solid (固体) or a liquid (液体), or a gas (气体). When it is a
solid, it may be as hard (坚固) as brick (砖头). When it is liquid, you can drink it. When it is a gas, you can't see
or feel it.
Water on the earth is limited (有限的) now, so we should make good use of water from now on.
( ) 1. We can live without water.
( ) 2. Animals don't need water.
( ) 3. Water may be a solid, or a liquid, or a gas.
( ) 4. When water is a solid, we can use it.
( ) 5. When water is a gas, we can feel it.