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二、补全对话。
A: Hello, Mike! 1.
B: It's a bucket (桶).
A: 2.
B: I use it to collect waste water.
A: 3.
B: Because I want to use waste water to flush (冲洗) the toilet.
A: You are a green person. You are good at saving water.
B: Water is very important to us, so we should save it.
A: 4.
B: We can do many things.
A: 5.
B: Of course. First, we can collect waste water to flush the toilet. Second, turn off the tap while we are brushing our teeth. Third, take a shower instead of taking a bath.
A: Anything else?
B: We shouldn't play with water.
A: OK. Thank you for telling me so much.
B: You are welcome.
A: Hello, Mike! 1.
What's that/What's this/...
?B: It's a bucket (桶).
A: 2.
What do you use it for/...
?B: I use it to collect waste water.
A: 3.
Why do you collect the water/Why do you collect it/...
?B: Because I want to use waste water to flush (冲洗) the toilet.
A: You are a green person. You are good at saving water.
B: Water is very important to us, so we should save it.
A: 4.
What should we do to save water/What can we do to save water/...
?B: We can do many things.
A: 5.
Can you tell me more about how to save water/Could you tell me more/...
?B: Of course. First, we can collect waste water to flush the toilet. Second, turn off the tap while we are brushing our teeth. Third, take a shower instead of taking a bath.
A: Anything else?
B: We shouldn't play with water.
A: OK. Thank you for telling me so much.
B: You are welcome.
答案
1. What's that/What's this/... 2. What do you use it for/...3. Why do you collect the water/Why do you collect it/...4. What should we do to save water/What can we do to save water/...5. Can you tell me more about how to save water/Could you tell me more/...
