这是英语考试口语的问题、急需答案.TOPIC2Environment1.Whichtypesofenergyshouldweuse:wood,coal,petroleum,waterpower,nuclearenergyorsolarenergyandwhy?2.WheneverwewatchTV,wearehelpingsendgreenhousegasesintotheair.

Question

这是英语考试口语的问题、急需答案.
TOPIC 2 Environment
1.Which types of energy should we use:wood,coal,petroleum,water power,nuclear energy or solar energy and why?
2.Whenever we watch TV,we are helping send greenhouse gases into the air.Do you know any other things we do help send greenhouse gases into air and why?
3.Do you know any machine or appliance that is powered by solar or wind energy?Can you list any other clean energy technologies?
4.The sandstorm,known as a “sand devil,” has become a great concern.Please briefly explain the reasons behind this phenomenon.
5.Do you know some other climate disasters caused by the pollution of environment?
Topic discussion
Global warming may be the most harmful environmental problem human beings have created.Please discuss its causes,consequences and what we can do to reduce it.
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Answer 1

1. In my opinion we should use solar energy. Because solar energy can be converted directly or indirectly into other forms of energy, such as heat and electricity. And also solar energy has great pot...