题目内容
______
A. Pollution will be more serious in popular beaches.
B. The quality of the water may reach the lowest level
C. People may become infected with diseases
D. A warning system will be extremely urgent
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______
A. She hasn't seen snow.
B. She doesn't like skiing.
C. She is afraid of skiing.
D. She lives very far away from the ski field.
______
Act like a cat.
B. Go up step by step.
C. Stand in the middle.
D. Go up as quickly as possible.
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A. The children walk past a historic opportunity.
B. It is a waste of time playing video game.
C. The children are attracted by the cars.
D. The children are obsessed in weapons.
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