你班决定举办一期倡议节约用水的英语板报。请根据提示内容,写一篇100词左右的倡议书。内容包括以下几方面：

1. 水资源对我们的重要性

2. 当前水污染和浪费水资源的形势

3. 　 节约用水的措施：。。。。。。

注意: 文章开头和结尾已给出,不计入总词数。 　　　　　　　　　　　　　　 PROPOSAL 　　Boys and girls, water is an important natural resource to us.

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It was two days after Christmas. Mrs. Smith bought　　　　　　　　 81.____________

plenty Christmas cards to send to her friends and to her　　　　　　　　　 82.____________

husband’s friends. She put it on the table in the living room.　　　　　　　　　　 83.____________

When her husband came home from work, she said to him,　　　　　　　　　　 84.____________

“Here is the Christmas cards for our friends and here are some　　　　 85.____________

stamps, a pen and our address book. Will you please to write 　　　　　 86.____________

cards while I am cooking dinner?” Mr. Smith did not say 　　　　　　　　 87.____________

something and went to his study. Then a few minutes 　　　　　　　　　　　　　 88.____________

later she came back with a box full of Christmas cards. All of 　　　　 89.____________

them had addresses and stamps on them.”These were last　　　　　　　　 90.____________

year’s cards,” he said. ‘’I forgot to post them.’’

80. A walk around Guilin is a ________ for the eyes (大饱眼福)---a lively mix of old culture and the excitement of an international tourist area.

79. Why not try your luck________(城市商业区), Bob?That's where the best jobs are.

78. The groups should be treated equally to other people, _________ (不顾)of race, religion or sex.

77. The police _____(逮捕) Rosa Parks, a black woman who refused to give her seat to a white man.

76. Water can __________(吸收) a lot of heat without big changes in temperature.