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A.They detect nerve impulses transmitted to a grasshopper’s legs.
B.They sense how far a grasshopper has jumped.
C.They detect changes in air pressure.
D.They help a grasshopper find food.
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1. 学生作弊的方式多种多样2. 作弊的原因,对作弊学生应如何处理3. 怎样杜绝作弊 How to Deal with Cheating
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S8. In what way are cooperative learning groups effective
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