填空题

People have been paying too much attention to the sulphur particles and other pollutants, so they overlooked another problem, global warming.

【参考答案】

Y

<上一题目录下一题>

热门试题

填空题

The disrupted natural ecosystem has led to ______ of some species and put a lot of species in danger.

填空题

Apart from CO2, which traps the sun’s radiation, other greenhouse gases like ______are also involved in warming.