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【简答题】
What can we do to protect our planet?
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【简答题】What does “green product” usually refer to?
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【简答题】Who do you think might live in the castle?
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【简答题】What happened to the castle when floods came?
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【简答题】What do you know about solar energy?
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【简答题】What would people do when they see a raccoon climbing?
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【简答题】What do you think the raccoon is climbing based on the title?
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【简答题】How do people pave roads with solar panels?
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【简答题】What kind of pollution is more likely to put children's health at risk?
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【简答题】Why is biodiversity important in the field of food and agriculture?
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【单选题】What is the main substance of polluted air?
A.
Toxic chemicals.
B.
Poisonous dirt.
C.
Dirty animals.
D.
Harmful materials.
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