水的对比作文
在学习、工作、生活中,大家对作文都再熟悉不过了吧,作文根据体裁的不同可以分为记叙文、说明文、应用文、议论文。相信写作文是一个让许多人都头痛的问题,以下是小编收集整理的水的对比作文,希望对大家有所帮助。
“哗啦啦!哗啦啦!”窗外倾盆大雨毫不留情地打着屋顶,不时传来大大的雨点把塑料板打“疼”的“呻吟”。
唉,已经快连下十多天雨了吧,可雨奶奶丝毫没有要离去的意思,害得我们美丽的富春江现在不仅都快满上岸来了,还都是泥浆,浑浊无比。一个个的'漩涡,从上往下看,仿佛要把你卷进去似的,恐惧感顿时笼罩了全身。
不过,你可别看江水那么浑浊,到我们家里怎么就晶莹清澈了呢?让我来揭开这个谜底吧。
今天到妈妈厂里去,我可大开了眼界。看着一个个由泥浆变成清水的水池,我真是不得不赞一个!瞧,首先是第一个水池,是刚刚从江里抽上来的水,浑浊不堪;再到第二个反应池中;竟然清澈了许多,但还是有少许黄泥漂浮在水面上;接着又到了第三个沉淀水池,这时已经基本上没有泥浆了;水也由黄变成了浅蓝;最后到了第四个过滤水池,哇!第四个池大好多耶!里面的水蓝蓝的,看上去清澈透亮,这就是我们用的自来水了,可以运到各个百姓家了。但是,浑浊的江水怎么能过滤几次就清澈了呢?问了妈妈后我才了解,原来在这所有过程中要经过许多工作人员的一系列检测,杀菌、消毒、加药等等才能完成,可真复杂啊。
接着,我又对比了一下第一个水池和第四个水池,真是截然不同啊!第一个池中 ……此处隐藏1236个字……es, it also make them know the importance of the spoken English.
However, others hold that a test of spoken English is unneceary in the university and colleges.They maintain that college students’ practice of spoken English is not for testing but for daily use.And they think it is hard to manage such a subjective test.
Weighing up these two arguments, I am for the first point of view.For one thing, spoken English is very important.For another, a test of spoken English can guide and supervise students to make conversation practice.For instance, when choosing books and other materials, students can pick them according to the bands of the test they want to take.Therefore, as stated above, the first point of view can hold water.