书面表达（满分25分）地球一小时（熄灯一小时）活动在每年3月最后一个星期六举行。某英文杂志社就这一活动征集环保活动建议，假设你是中学生李华，请根据以下要点用英语给该杂志社写一封信，内容包括：1．地球一小时活动的必要性。（环境恶化，需要宣传环保等）
2．地球一小时活动引发的问题。（突然大范围熄灯影响affect电网运行the normal operation of the grid，点蜡烛造成其他形式的污染等）3．保护环境的其他方式。（不少于2条）
注意：1．词数100左右；2．可适当增加细节；3．信的开头结尾已经给出，但不计人总词数。
参考词汇：举办hold 地球一小时Earth Hour;电网the grid，蜡烛candle, 污染pollution
Dear Sir or Madam,
I’m glad to know that you are collecting advice on environmental protection. As we know, our environment is becoming worse and worse. So it’s necessary to hold Earth Hour to call on people to protect our environment.
However, as more and more people take part in Earth Hour, many problems appear. So many people suddenly turning off their lights may affect the normal operation of the grid. What’s more, some people have to use candles, which leads to another form of pollution.
In my opinion, what we should do first is to recycle some wasted things. Second, we should plant as many trees as possible. Finally, we’d better live a simple, healthy and sustainable life.
I firmly believe our environment will become better and better.
Yours sincerely,
Li Hua假设你是中学生李华，请根据以下要点用英语给该杂志社写一封信，内容包括：1．地球一小时活动的必要性。（环境恶化，需要宣传环保等）
2．地球一小时活动引发的问题。（突然大范围熄灯影响affect电网运行the normal operation of the grid，点蜡烛造成其他形式的污染等）3．保护环境的其他方式。（不少于2条）
注意：1．词数100左右；2．可适当增加细节；3．信的开头结尾已经给出，但不计人总词数。
参考词汇：举办hold 地球一小时Earth Hour;电网the grid，蜡烛candle, 污染pollution
Dear Sir or Madam,
I’m glad to know that you are collecting advice on environmental protection. As we know, our environment is becoming worse and worse. So it’s necessary to hold Earth Hour to call on people to protect our environment.
However, as more and more people take part in Earth Hour, many problems appear. So many people suddenly turning off their lights may affect the normal operation of the grid. What’s more, some people have to use candles, which leads to another form of pollution.
In my opinion, what we should do first is to recycle some wasted things. Second, we should plant as many trees as possible. Finally, we’d better live a simple, healthy and sustainable life.
I firmly believe our environment will become better and better.
Yours sincerely,
Li Hua
2．地球一小时活动引发的问题。（突然大范围熄灯影响affect电网运行the normal operation of the grid，点蜡烛造成其他形式的污染等）3．保护环境的其他方式。（不少于2条）
注意：1．词数100左右；2．可适当增加细节；3．信的开头结尾已经给出，但不计人总词数。
参考词汇：举办hold 地球一小时Earth Hour;电网the grid，蜡烛candle, 污染pollution
Dear Sir or Madam,
I’m glad to know that you are collecting advice on environmental protection. As we know, our environment is becoming worse and worse. So it’s necessary to hold Earth Hour to call on people to protect our environment.
However, as more and more people take part in Earth Hour, many problems appear. So many people suddenly turning off their lights may affect the normal operation of the grid. What’s more, some people have to use candles, which leads to another form of pollution.
In my opinion, what we should do first is to recycle some wasted things. Second, we should plant as many trees as possible. Finally, we’d better live a simple, healthy and sustainable life.
I firmly believe our environment will become better and better.
Yours sincerely,
Li Hua假设你是中学生李华，请根据以下要点用英语给该杂志社写一封信，内容包括：1．地球一小时活动的必要性。（环境恶化，需要宣传环保等）
2．地球一小时活动引发的问题。（突然大范围熄灯影响affect电网运行the normal operation of the grid，点蜡烛造成其他形式的污染等）3．保护环境的其他方式。（不少于2条）
注意：1．词数100左右；2．可适当增加细节；3．信的开头结尾已经给出，但不计人总词数。
参考词汇：举办hold 地球一小时Earth Hour;电网the grid，蜡烛candle, 污染pollution
Dear Sir or Madam,
I’m glad to know that you are collecting advice on environmental protection. As we know, our environment is becoming worse and worse. So it’s necessary to hold Earth Hour to call on people to protect our environment.
However, as more and more people take part in Earth Hour, many problems appear. So many people suddenly turning off their lights may affect the normal operation of the grid. What’s more, some people have to use candles, which leads to another form of pollution.
In my opinion, what we should do first is to recycle some wasted things. Second, we should plant as many trees as possible. Finally, we’d better live a simple, healthy and sustainable life.
I firmly believe our environment will become better and better.
Yours sincerely,
Li Hua
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