Why do players need protective equipment during the game?
A. To make their uniforms fit.
B. To keep the body safe.
C. To see the ball.
D. To make touchdowns.
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厂商推行价格歧视的动机是()
A. 满足消费者的需求
B. 提高社会福利
C. 获得更多的利润
D. 动机不明确
Why are newspapers needed to do this activity?
A. To keep the area clean.
B. To write on.
C. To light the candle with.
D. To place inside the pumpkin.
Farmers today use scarecrows to ______.
A. get rid of bad luck
B. decorate their houses
C. frighten the birds away
D. show that autumn has come
【B1】
A. strange
B. curious
C. serious
D. anxious