下列有关植物蒸腾作用的叙述，错误的是（　　）

“十二五”时期是全面建成小康社会承上启下的重要时期,也是我国利用重要战略机遇期的关键阶段。我们应进一步抓住和利用好重要战略机遇期,为全面建成小康社会打下具有决定性意义的基础。到2020年,中国要实现全面建成小康社会的奋斗目标。

Dear Sandy,

    I am very glad to enter my school. I enjoy the life here except for the school lunch. I prefer hamburgers,ice creams and potato chips,but we are not allowed to order them according to the school rules. I usually have little for lunch and I often feel tired and can't follow the teachers in the afternoon classes. What should I do? Do you have any good ideas? Please write to me as soon as possible.

Yours sincerely,

Lucy

注意事项:1）词数90左右，开头和结尾已经写好，不计入总词数;

2）文中不得提及真实的人名、校名等相关信息。

Dear Lucy,

    I am glad to receive your letter.

Yours,

Sandy