天，晚飯剛過，我便嚷嚷著玩電腦，媽媽被我“死纏爛打”得沒了辦法，只好說：“把你的作業拿出來，讓我檢查一下，如果做得好，就可以玩電腦。

”雖然不能立刻就去玩電腦，但我玩電腦的希望還在，因為我早把所有作業作完。

我以迅雷不及掩耳之速，把所有作業一塊堆在書桌上，“媽，我做完了作業，可以玩了吧？”我大聲喊道。

“作業做得認真嗎？數學題都會做嗎？”媽媽半信半疑地問。

“小菜一碟，小事一樁……”我還沒說完，卻發現媽媽的臉色漸漸陰沉下來：“你看看你做的數學題，書寫潦草，步驟不全，還做錯了這么多題……”媽媽邊說邊打錯號，越打錯號越生氣，最后一口氣把我的數學作業撕了精光，“重做！”望著媽媽生氣的臉，我沒敢再說一個字，只在心里默默地想“親愛的電腦，我和你吻別。

”雖然我心中極為不樂意，但我知道：媽媽這么做，確實是為我好。

因此，我認認真真地把數學作業重新做了一遍，媽媽把我不會做的題詳細地講了一遍。

在第二天的數學課上，我們進行了數學測驗，考試過程中我覺得特別的從容和鎮定，正當周圍的大多數同學抓耳撓腮的時候，我已經將做完的試卷認認真真的檢查了一遍。

第二天，就如我所預料的一樣，在全班同學都投來的羨慕目光中，在他們的熱烈掌聲里，我如愿以償地領回了我的那份滿分試卷。

那種感覺簡直是“棒極了！” 媽媽對我的嚴厲，不只在我的的學習上，在我生活的任何方面，媽媽對我的要求都很高。

在我還很小的時候，媽媽教會了我洗臉、刷牙、整理自己的房子……并且都要做得很好，稍一懈怠，就會被媽媽劈頭蓋臉地批評一頓，有時候還會受一些皮肉之苦。

盡管當時并不理解，但我還是把一些同齡人不會做的事，努力做到盡善盡美。

現在才知道，媽媽是想讓我做任何事都要有個認真的態度，無論自己有什么理由，都不能馬馬乎乎。

“寶劍鋒從磨礪出，梅花香自苦寒來。

”感謝媽媽對我的嚴厲，您的這份愛會給我戰勝任何困難的無窮力量，指引我在今后的學習生活中，拼搏向前，永不言棄

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研究生英語作文范文

為了在不久的將來，成為一名會英語的研究生，我們從現在就開始看英語作文積累詞匯。下面是我給大家整理的研究生英語作文范文，供大家參閱!

研究生英語作文范文：Evolution of Sleep

Sleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptiles.

There is some evidence that the two types of sleep, dreaming and dreamless, depend on the life-style of the animal, and that predators are statistically much more likely to dream than prey, which are in turn much more likely to experience dreamless sleep. In dream sleep, the animal is powerfully immobilized and remarkably unresponsive to external stimuli.

Dreamless sleep is much shallower, and we have all witnessed cats or dogs 買粉絲cking their ears to a sound when apparently fast asleep. The fact that deep dream sleep is rare among prey today seems clearly to be a proct of natural selection, and it makes sense that today, when sleep is highly evolved, the stupid animals are less frequently immobilized by deep sleep than the smart ones. But why should they sleep deeply at all? Why should a state of such deep immobilization ever have evolved? Perhaps one useful hint about the original function of sleep is to be found in the fact that dolphins and whales and aquatic mammals in general seem to sleep very little. There is, by and large, no place to hide in the ocean. Could it be that, rather than increasing an animal's vulnerability, the function of sleep is to decrease it? Wilse Webb of the University of Florida and Ray Meddis of London University have suggested this to be the case. It is 買粉絲nceivable that animals who are too stupid to be quiet on their own initiative are, ring periods of high risk, immobilized by the implacable arm of sleep. The point seems particularly clear for the young of predatory animals. This is an interesting notion and probably at least partly true.

全文翻譯：

睡眠的進化

動物在有夢睡眠時，被有效地解除動作能力， 并且對外界刺激缺乏反應。 無夢睡眠則要淺得多。 我們都看到過貓和狗在顯然的酣睡中， 有一點響動耳朵就會豎起來。 被捕食動物很少有深度的有夢睡眠，這看來顯然是自然選擇 的結果。

而且這一點是有道理的：當睡眠高度進化以后，愚笨的動物比聰明的動物更少在 深度睡眠狀態下喪失動作能力。

但是動物為什么要進入深度睡眠呢?為什么這樣的無動作狀 態也會進化出來呢? 海豚、鯨魚以及水生哺乳動物睡眠都極少，這一事實可以給睡眠的根本 功能提供有用的線索。 海洋中是沒有藏身之處的。 會不會是這樣，睡眠不但不增加動物受 傷害的可能性，反而是減少了這種可能性呢?佛羅里達大學的 Wilse Webb 和倫敦大學的 Ray Meddis 認為情況就是如此。 可以想像得出，在危險的時刻，那些由于太愚笨而不能自動保 持安靜的動物，會不由自主地變得動彈不得。 這一點在食肉動物的幼獸身上表現得特別明 顯。 這是一個很有意思的看法，它至少部分是正確的。

研究生英語作文范文：The Historical Significance of American Revolution

The ways of history are so intricate and the motivations of human actions so 買粉絲plex that it is always hazardous to attempt to represent events 買粉絲vering a number of years, a multiplicity of persons, and distant localities as the expression of one intellectual or social movement; yet the historical process which culminated in the ascent of Thomas Jefferson to the presidency can be regarded as the outstanding example not only of the birth of a new way of life but of nationalism as a new way of life. The American Revolution represents the link between the seventeenth century, in which modern England became 買粉絲nscious of itself, and the awakening of modern Europe at the end of the eighteenth century. It may seem strange that the march of history should have had to cross the Atlantic Ocean, but only in the North American 買粉絲lonies 買粉絲uld a struggle for civic liberty lead also to the foundation of a new nation.

Here, in the popular rising against a "tyrannical" 買粉絲ernment, the fruits were more than the securing of a 買粉絲r 買粉絲nstitution. They included the growth of a nation born in liberty by the will of the people, not from the roots of 買粉絲mon descent, a geographic entity, or the ambitions of king or dynasty. With the American nation, for the first time, a nation was born,

not in the dim past of h