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.
在现实生活或工作学习中,大家对作文都不陌生吧,借助作文可以宣泄心中的情感,调节自己的心情。那么一般作文是怎么写的呢?下面是小编为大家收集的几分甜蜜在心头叙事作文六年级,希望能够帮助到大家。
陌染的天空烟花迭起,散落;看繁星与寒月遨游天边,飘荡,飘荡,月色与星光绵延交错,一丝甜蜜划过心间。
周五的那节体育公开课,体育老师一遍又一遍地向我们演示单杠动作,我漫不经心地听着,等同学们一个一个跳完时,我望着高高的杆子,有了怯意。手指微微发抖,慢慢上了单杠,等等!左手怎么握来着的?大概是反方向吧,笨重地跳了上去,同学们的目光朝我而来,正当我得意之时,我才发现左手握错了方向,我重重地摔了下去,一阵又一阵的疼从右腿的神经(可换个词)传来……
我的眼前一阵发黑,我强忍着疼痛,以为没什么事的`,便抓住单杠一把撑起身体,但有撑不住,接过一旁老师递的水,班主任和英语老师着急慌张地赶了过来。他们将我扶到了车上,一到医院,老师小心翼翼又急促地带我去拍了片,即使知道了事情的严重,但当拉起裤袖时,看到那肿了的一大块,也不免有些心惊。班主任安慰我:“不会有事的。”当得知没有伤到骨骼时,我们都松了一口气,但疼痛没有得到丝毫缓解,反而变本加厉了,像一个砖头机刺入了我的脚,又像被几千只蚂蚁咬着,撕心裂肺。终于疼痛战胜了理智,两行清泪从我眼角滑落。而英语老师和班主任见到我哭了,便与我聊天转移,我的注意力脚便不再那么痛了。
爸爸妈妈得知此事后,从工作单位赶了过来。以前我哪有受过这么大的委屈!也不管是在哪里?直接放声痛哭起来,在过程中我被抱去了医务室,看到老师们与父母着急的神情心中甜滋滋的。
那句关怀那几分甜蜜在心间也成了我初中的回忆。
——题记
李小坏和张小坏,两个坏大王在一起,日子注定不会平静度过。你总说:“五岁的我第一次看到不到十天的你,又怎么能相信这个奇怪的.小秃瓢儿就是传说中的‘妹妹’?”每每说到这,你总会抬起你美丽的眼眸,看着我。大概,你的感觉和我一样,对这段记忆,既有些许熟悉,又感到十分陌生。
还记得,我们一同坐在草坪上,虽然天空中没有许多繁星,但依然美妙,我们背靠着背,看着被路灯拉长的影子,说着让人长鸡皮疙瘩的冷笑话。嗅着黑夜里泥土的清香,大喊:“我要发芽,我要长大!”那段时光,何时才能够重现。
不久前,你对我说:“高考与我无缘,我已经被保送到了马来西亚。那里,会有樱花吗?”听到这个消息,原谅我无法与你一同欢呼雀跃。是啊,你对樱情有独钟。去日本时,你曾为樱花写诗,“谈笑春日赏仙樱,粉白片片耀眼明”。我却说:“酸,真酸,李小坏同学什么时候也学会多愁善感了?我还是看没心没肺的你习惯些。”你撇撇嘴,说我把你的思绪打乱了,非要我赔你。无奈我只好为你写下后两句“只恐烂漫光阴短,清风掠过已飘零”。如今回想,6月,樱花逝去,你也走了。我欣赏为了梦想执着追求的你,希望你一路顺风。
你走后,就只有几分记忆萦绕心头,也才发现,“思念”这个词太抽象,提起笔想写出那种感觉却发现我的文字太过青涩,那是像风一样的味道,只能感觉却说不出来。
你登机的那一天,我没有去,只是给你发了一条短信:摇曳樱花春料峭,花落幽境醉人倒。不知春光省几时,谁料人事也苍茫。你没有回复,我静静揣摩你的心理。闭上眼睛,就出现了你那俊俏又略带稚气的脸,眉目间还流露出神采飞扬。难怪,如樱花一样,你,图满了浪漫,勾勒了想念。
李小坏,过得还好吗?马来西亚很热吗?注意防暑降温哦。心头的几分回忆,是我最美丽的珍藏,我们说好了,朝着自己的梦勇敢向前——别忘了我们的约定。三年半之后,不见不散。
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Different people have different views on_____.Some people think that_____,whereas others aegue that __________.
As far as I am concerned, I agree with the opinion that ___________.For one thing,I firmly believe that ___________.For another,_____________.Just think of________,who/which_______.
Taking all these factors into consideration,we may safely come to the conclusion that______.Only if_______can we _______,just as the saying goes,________________.
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In recent years there have been many reports of ________.It turns a new chapter of _________in China,and will have far-reaching effects in the forthcoming years.
The biggest benefit,in my eyes,is that_______.In addition,_______.Finally,______________.
Apart from the benefits mentioned above,we should also face several unavoidable challenges.In the first place,_____________.In the second place,________.What’s more,_______________.In summary,we should_______________.
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Nowadays more and more ______are commonly and widely used in everyday life,ranging from __________to_____________.
The popularity of _______will have a great influence on ______.On the one hand,_________.On the other hand,__________.
To conclude,____________are just like a double-edged sword.With them we may________.However,one point should be kept in mind that we should make sensible use,always being a master instead of slaving of them.
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