怎样上英语课的作文500字【一】
我家最近可热闹了，因为来了一位神秘嘉宾——美丽的小金鱼“公主”。
小金鱼可漂亮了。扁圆的身体，浑身上下都是高贵可爱的金黄色，圆圆的头上有一双水灵灵的大眼睛和一张精巧的小嘴。舞裙一样的大尾巴总是在身后轻轻地摆动着，宛如一位美丽的公主在翩翩起舞，动人极了，所以我给它取名“公主”。
我非常喜爱公主。每天一放学，我就急忙回家。我把书包一扔，就给公主换水，喂食。我还常和公主聊天，它一见到我就欢快的摇尾巴。
这天我作业写得很迟，写完后就去看公主，此时，我眼前的情景让我心头一震。
公主一动不动，见到我不摇尾巴也不吐泡泡了，它那美丽的大尾巴无力的垂着，眼睛睁得很大很大，一点神也没有像是要死了。我心里很紧张，我安慰自己说：“公主不会死的，只是饿了，生我气了。”于是我拿了一些鱼食放到水里，可公主看也不看一眼，尾巴还是无力的垂着。这下可完了，我越想越害怕，连忙到妈妈身边，说：“妈妈，小，小金鱼，快，快要死了，救，救，救救它吧!”妈妈听了，连忙走到了鱼缸前观察了一阵，笑了起来，说：“小金鱼没死，在睡呢!它没有眼皮，就只好睁眼睡觉了。”
我听妈妈一说，才平静了下来。
后来，我查阅了百科全书，知道了：鱼也会睡觉。因为，鱼没有眼睑，所以不能闭上眼睛。这样看上去好象它从不睡觉似的。大部分的鱼在睡觉时，只不过是在水中保持不动的宁静状态。就象人睡觉时那样，鱼就是用这种方式使它们的身体得到休息。
原来，小金鱼是睁眼睡觉的。
怎样上英语课的作文500字【二】
Yesterday, our class had a discussion about whether junior students could ride electric bicycles to go to school. 25 students of our class agreed with it, because they said that it is convenient for them and it could take less time to go to school. If they took bus, sometimes the bus come late and it might make them late for school. But the other 35 students didn't agree with them. They said it is not safe for the junior students to get to school by electric bicycles, for they are too young. They also said in the morning the traffic was very busy and the students couldn't ride electric bicycles quickly. Besides, there are too much electric bicycles in the street now, they can get hurt easily.
昨天，我们班讨论了关于中学生是否该骑电单车上学的问题。班上25位同学表示赞同，因为他们认为这样比较方便而且更省时。如果他们坐公车，有时候公车来得晚就有可能使他们迟到。但是，另外的'35位同学不同意他们的看法。他们认为中学生骑电单车上学是不安全的，因为他们还太小了。他们还认为早上交通繁忙，学生骑车不能太快。而且，现在路上的电单车太多了，他们很容易受伤。
怎样上英语课的作文500字【三】
the sun rises in the east and sets in the west, which is caused by the rotation of the earth as you all know. but have you ever thought of the effect of the earths rotation on man and can you imagine what would happen if the earth stopped rotating?
the radius of the earth is about 6,370 kilometres. it takes the earth 24 hours to rotate once. objects on the earths equator move with the earth at a speed of 460 metres per second, and the air close to the earths surface turns at the same speed. if the earth stopped rotating suddenly, the air would keep flowing eastward at a speed of 460 metres per second. the wind would be fourteen times as powerful as a hurricane. at the same time sea water would rush eastward at a speed of several hundred metres per second, which might do damages much greater than a seaquake would do. obviously, men could hardly stand such a catastrophe.
even if such a catastrophe would not happen, there would be a great temperature difference on the two hemispheres of the earth, and the four seasons of the year would no longer occur because a day and a night would be as long as a whole year instead of 24 hours. all this would greatly affect the life of human beings, imals and plants and that would cause worse results than anything imaginable.
怎样上英语课的作文500字【四】
这天，我和爸爸从鱼店里买了六条金鱼回来，三条红三条白。我把三条白金鱼分别叫“鸡冠花”“火帽子”“丹顶鹤”,三条红金鱼分别叫“金牡丹”“红将军”“太阳光”。看到它们都有了名字，我高兴极了。
10月3日 星期五
今天我回家，看见金鱼们在嬉戏。我刚把脸凑过去，它们便四处游开，个个躲在鱼缸底瑟瑟发抖，“金牡丹”还撞到了缸上。哈哈!看来它们还有点怕我!
10月4日 星期六
今天，我见金鱼们一动不动地趴在鱼缸底，想：它们可能饿了。于是便撒了点鱼食。果然，它们立刻“嗖”地有了上去，狼吞虎咽地吃起来，那场面真是有趣!
10月6日 星期一
这一天，我见金鱼缸里少了一条金鱼，原来是“鸡冠花”，我问过爸爸后，知道是因为前天喂太多了，昨天撑死了。我听了有点难过，但毕竟还有五条金鱼，以后我得好好饲养它们了。
10月11日 星期天
这个万里无云的日子里，我看见金鱼玩耍的样子
了。它们就像玩“老鹰捉小鸡”、“丢手绢”一样，一会儿聚在一起，一会儿把头探出水面，互相追逐，鱼缸顿时像游乐场一样欢快。
10月16日 星期五
晚上，我看见“丹顶鹤”和“红将军”睁着眼睛，躲在水底，好久也不动。正当我思索它们在干嘛时，忽然想起：书上不是说金鱼是睁开眼睡觉的吗在、看来这就是金鱼睡觉的样子了。我又有了新发现!
怎样上英语课的作文500字【五】
动物跟人一样，都需要休息，而且大部分的动物和人睡觉时都会闭上眼睛。可是，你见过金鱼闭上眼睛吗?我想你肯定没见过。
那是不是金鱼不睡觉呢?当然不是，金鱼和我们一样，它也会睡觉，只是我们不容易察觉而已。
其实，金鱼在水中不动时，就是在睡觉，只是因为鱼没有眼睑，所以不会闭眼，看上去就像不睡觉一样。
鱼也有各种各样的睡觉方法。仔细观察我们饲养的金鱼，你就会发现，它们到了夜晚，就会躲到鱼缸内的小假山、水草间等暗处一动不动，这就是金鱼睡觉时的状态。鱼不像人那样有眼睑，在睡觉时能够闭上眼睛。因此，要想看到金鱼睡觉还真不是件容易的事。
除了金鱼，人们还了解到了其他一些鱼类睡觉的状态。如花海猪鱼、细拟隆头鱼、锦鱼等，它们都在海洋底部生活，当夜色来临时，它们就会钻进沙子里，一动不动地睡大觉，这样既安静又能有效地防止天敌的伤害。还有一些鱼如裂嘴鱼、南洋鹦嘴等，它们的身分泌一种特殊的'胶状物质，要睡觉时它们就像小孩子一样吹个大泡泡，胶质的泡泡遇水后会硬化，它们就钻进那个泡泡里，只在嘴边留个小孔，就像在睡袋里一样。
在淡水里生活的鱼大多跟金鱼一样，躲在岩石后、水草间等暗处睡觉。像鲤鱼、鲫鱼会钻进水草里睡觉，而鲻鱼、鲷鱼则在岩石后面睡觉。
有趣的是，还有些鱼类睡觉的时候不需要停下来，像有洄游习性的鱼就能够一边游泳一边睡觉。如金枪鱼、鲭鱼和嘉鱼，不管白天晚上都在不停地游动，使得我们很难弄清楚它们什么时候是在睡觉，什么时候是清醒的。
怎样上英语课的作文500字【六】
Grandpa was ill. He was lying on the bed all day. He looked haggard and frowned. Originally smooth and round face suddenly added a lot of wrinkles, black and shiny hair also lost the luster of the past, a few strands of white hair quietly climbed to the top of the head.
在我上学的日子里，幸好还有小猫陪在他身边，带给他一些快乐。希望爷爷早日好起来，继续和我一起幸福地生活。
In my school days, fortunately, there are also kittens around him to bring him some happiness. I hope Grandpa will get better soon and continue to live happily with me.
