西南五省市干旱严重，大家都积极行动起来为灾区人民贡献自己的力量。假设你叫李波，
请用英语向全校同学写一份倡议书。
    内容要点如下：
    1. 数百万人正深受干旱之苦，甚至连饮用水也没有了。
    2. 上周五下午学校举办了一个慈善活动，所有师生都捐款来帮助处于困境的人们。
    3. 水是世界上最重要的，没有水我们无法生存。每个人都应该节约用水。
    4. 我觉得我们应该……
    注意： 1. 第4要点的内容须用2、3句话展开合理想象，写出具体措施；
                2. 倡议书须包括所有内容要点，要求语句通顺、意思连贯；
                3. 词数80个左右，倡议书的开头、结尾已经给出，不计入总词数。
Dear fellow students,
    It hasn't rained for a long time in Southwest China, so it caused the most serious drought (干旱)
from the last sixty years.                                                                                                           
                                                                                                                                              
                                                                                                                                              
                                                                                                                                        LiBo

1. It is much ________(dry)in Yun Nan province than before because it hasn't rained for a long time.
2. My friend's ________(twelve)birthday is coming. Please help me choose a present for her.
3. Song Zuying sings very well. People like her sweet voice and she is a ________(success) singer.
4. Li Lei and Li Liang are twins, but there are many_________ (different) between them.
5. This is an easy problem. I think you can work it out _________ (easy).

1. _________2. _________3. _________4. _________5. _________