书面表达

今年入冬以来，以北京为首的各大城市雾霾(haze) 情况越来越严重，整个国家的空气污染状况令人担忧。作为一名中学生，你对我国空气污染的看法是什么呢？请分析空气污染的现象、原因、应对措施，写一份英文的倡议书，呼吁大家保护环境，减少对空气的污染。

要点提示：1. 我国空气污染的现象。

2. 空气污染产生的原因。

3. 减少空气污染的措施。

要求：1. 80词左右，开头已给出，不计入总词数。

2. 文中不得出现真实姓名和学校名称。

Dear students,

As we all know, hazy days have been influencing our lives a lot in recent years. That warns us of the serious air pollution. _______________________________________________________________

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Mary， please show______ your picture.

A. my B. mine C. I D. me

—______ is your grandpa， Emma?

—He’s watering the flowers in the garden.

A. When B. WhereC. What D. How

We travelled all night to Paris and got there______ Sunday.

A. on B. to C. at D. for

It’s a nice house______it hasn’t got a garden.

A. and B. or C. but D. so

Tian’anmen Square is one of______ squares in the world.

A. large B. largerC. largestD. the largest

— What’s your father doing now?

— He ______the room．

A. cleaned B. cleansC. is cleaningD. has cleaned

— Can you ride a horse?

—No， I ______.

A. can’t B. may not C. needn’t D. mustn’t

Today， computers are really helpful. They ______ everywhere.

A. use B. are used C. usedD. were used

He ______ in this factory for 20 years already.

A. worksB. will work C. has worked D. is working