青虾鳃丝发黑、局部溃烂是感染了（）病。 A.红体 B.烂鳃 C.水霉 D.寄生虫

书面表达(满分25分)
党中央号召要创建节约型社会，可是许多校园内部浪费现象还比较严重。请你在班会上发表演讲，号召同学们从我做起，改变不良习惯，杜绝浪费。

浪费现象	1. 水、电 2. 餐厅的食物 3. 纸张、书本
造成危害	1. 浪费资源 2. 形成坏习惯，不利于品德养成 3. 浪费金钱，增加父母经济负担
措施	(内容由考生自己添加)

 请根据上面的提示写出一篇120字左右的演讲稿。
Dear friends,
May I have your attention, please? Now I’d like to make a speech here.
Nowadays, some of us students have formed some bad habits on campus.
For example, _______________________________________________________
_________________________________________________________________________
___________________________________________________________________________
But how to reduce the waste? In my opinion, _______________________________
____________________________________________________________________________
___________________________________________________________________________
____________________________________________________________________________
That’s all. Thank you!