题目内容
（请给出正确答案）
[主观题]
Now all countries in the world are faced with the same environmental problems, air polluti
on, water pollution, the loss of species, etc.
A．Y
B．N
C．NG
提问人：网友georgecxd
发布时间：2022-01-07
题目内容
（请给出正确答案）
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