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1. How much of the water on Earth canbe drunk（可饮用的 ）？
A.1%
B. 10%
C. 90%
2.Which one cannot be recycled（可回收的）？
A.newspaper
B.clothes
C.used tissue（使用過的纸巾）
3. It takes more than_____for a plastic bag to degrade（降解）.
A. 5 years
B. 10 years
C. 50 years
4.A button battery（钮扣式电池）can pollute（污染）____of water. That's the amount（总量）ofwater a person drinks in his/her whole life.
A. 200 tons（吨）
B. 400 tons
C. 600 tons
答案
A C C C
A.1%
B. 10%
C. 90%
2.Which one cannot be recycled（可回收的）？
A.newspaper
B.clothes
C.used tissue（使用過的纸巾）
3. It takes more than_____for a plastic bag to degrade（降解）.
A. 5 years
B. 10 years
C. 50 years
4.A button battery（钮扣式电池）can pollute（污染）____of water. That's the amount（总量）ofwater a person drinks in his/her whole life.
A. 200 tons（吨）
B. 400 tons
C. 600 tons
答案
A C C C