【单选题】B The world is not only hungry,it is also thirsty for water. this may seem strange to you,since nearly 75% of the earth is covered with water. But about 97% of this water is sea water.Man can only dri...
A.
The amount of fresh water is really very small.
B.
The people of the world waste too much water.
C.
The people of the world have to drink a lot of water every day.
D.
There are too many people in the world needing water.