单项选择题

A．Children don’’t get enough education in safety.
B．Children are keen on dangerous games.
C．The playgrounds are in poor condition.
D．The playgrounds are overcrowded.
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单项选择题
A．They are delighted because they can enjoy the scenery while driving.B．They are frightened because traffic accidents are frequent.C．They are irritated because the bridge is jammed with cars.D．They are pleased because it saves them much time.
A．They are delighted because they can enjoy the scenery while driving.
B．They are frightened because traffic accidents are frequent.
C．They are irritated because the bridge is jammed with cars.
D．They are pleased because it saves them much time.
单项选择题
A．Whether it can be detected and checked.B．Whether it will lead to widespread food shortage.C．Whether global warming will speed up in the future.D．Whether it will affect their own lives.
A．Whether it can be detected and checked.
B．Whether it will lead to widespread food shortage.
C．Whether global warming will speed up in the future.
D．Whether it will affect their own lives.
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