假如你叫李华，你的美国笔友John在来信中谈到低碳生活这个话题。最近几个月你校倡导学生过低碳生活、过节约生活、做有责任感的公民，引导学生从出行、购物、用水、家电和餐具使用等方面反省自己的生活方式。请你用英文给John回信。回信要点如下：

　　1.你对低碳生活的理解；

　　2.你校开展的活动；

　　3.你最近生活方式的改变(至少选取三个方面)

　　注意：1.词数120左右；

2.参考词汇：低碳生活low carbon life(style)

3.信的开头和结尾已为你写好(不计入总词数)

Dear John,

　　How are things going? In your last letter you talked about low carbon life. Now I’d like to share my understanding of it and my experience in the past few months.

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　　I’m really glad to communicate with you about this topic.

Yours，

Li Hua

—Tom almost ran into a pole yesterday while driving on the highway.

—I suppose he         too fast.

A. had driven     B. was driving    C. drives     D. has driven

—How's    your project work going, Jack?

—       . I'm half finished with it.

A. So far so good    B. It's up to you     C. Never mind    D. Forget it

 If        unsolved, the problem of food safety may lead to more serious results.

A. having left      B. to leave      C. left      D. leaving

 The workers insist that the company should take         measures to improve their working condition.

A. attractive      B. effective         C. impressive      D. conservative

One of our rules is that every student         wear the school uniform while at school.

A. might               B. could                C. shall            D. will

Economic growth in the world remains weak throughout 2013 and it is hoped that it will        

gradually in 2014.

A. break up                          B. make out                          C. work out                          D. pick up

—When will the visas be ready, sir? 

—        everything goes well, you should get them in 14 workdays.

A. Although       B. As far as         C. Unless   D. As long as

Helen has got         it takes to be a great tennis player. In other words, she has the potential to become world famous.          

A. how                        B. what                       C. when                      D. that

According to a UN report，one third of the world population have no          to clean drinking water and health care.

A. means                     B. approach                         C. channel                     D. access