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听下面一段材料， 回答第1-3题。 1. Where does the fresh water people need

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听下面一段材料， 回答第1-3题。
1. Where does the fresh water people need come from?
[     ]
A. Rivers and lakes.
B. Underground.
C. Both A and B.
2. How much water can we drink of all the water in the world?
[     ]
A. 3%.
B. 4%.
C. 97%.
3. What is the speaker mainly talking about?
[     ]
A. The ways of getting fresh water.
B. How to use fresh water in our daily life.
C. How the rivers are polluted.
听下面一段材料， 回答第1-3题。 1. Where does the fresh water people need
1-3: C A A
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