animals were friends or foes of humanity at different times of the human history. in modern times, experiments upon animals have long been a breeding ground for spirited debate. some animal activists argue that we should ban animal experiments altogether because subjecting animals to experimentation is unjustifiable on moral grounds. yet some other people contend that the advancement of science necessitates animal testing. personally, i believe both their views have merit and demerit.

granted, empirical evidence suggests that many animal experiments are performed callously without any heed to the discomfort or pain that laboratory mammals endure. first and foremost, improper confinement of test animals such as locking them up in cramped cages or poor veterinary is inhumane .it can gravely disrupt natural biological functions of the test animal. further, the effects of vaccination and vivisection conducted on live rodents, primates and other lab mammals can be gruesome and chilling. they may, in some cases, even constitute sheer torture of live animals.

however, from a more pragmatic perspective, evidence is mounting that animal experimentation is still largely a necessary evil and there is no practical alternative for it at this point. in the first place, it is manifest that drug experimentation on live mammals is far more effectual than experimentation on bacteria or on other lower species in testing drug safety. drugs that have severe potential side effects on homo sapiens must be tested by pharmaceutical companies on live mammals first to ascertain their toxicity. in the second place, in space research, live animals are still the only viable alternative to humans in testing living creature reaction to outer-space experience on a flight not considered to be sufficiently safe for human astronauts. lastly, lab research about the behavioral tendencies of chimpanzees, gorillas, orangutans and other members of the primate group is also necessary. it produces valuable outcomes consistently advancing anthropological and genetic studies.

to conclude, i concede that experiments upon animals may induce suffering to the test animals. however, i am convinced that there are no feasible alternatives to this methodology at the current stage of scientific development. on balance , i think that we should allow animals testing to be continued but at the same time use techniques such as analgesic, anesthetic and tranquilizing drugs to minimize the pain inflicted upon the test animal and augment the general welfare of these animals.

雅思作文篇2

in china, the seventh day of the seventh day of the lunar month, the weather is warm and fragrant. according to legend at this time of the year, is the sky "weaver" and "cowboy" meet, this is the traditional chinese festivals in the most romantic festival, people call it tanabata festival.

the girls in this romantic night, facing the sky lang lang moon, put the fruits of time, worship, begging the goddess of heaven can give them the wisdom, spiritual and dexterous hands, pray for their own life happy.

according to legend, star sweat bright occasion, if you see the milky way in the sparkle, and shine this jade color of the light, it is considered the cowboy, weaver meet the signs, at this moment to worship, beg for cow , weaver gift. it is said that the cowboy, weaver is hardworking and incarnation, so kneel begging for agriculture to ask for marriage can be, but seeking money seeking money to be counterproductive, one can only beg for a matter, seeking more than not.

hard-working cowboy, infatuated weaver, good old ox, enthusiastic magpie, beautiful mythology since ancient times has made a lot of people deeply moved.

tanabata festival is coming, may the world lovers get married.

雅思作文篇3

人人都说老师像蜡烛，燃烧了自己，照亮了别人；老师像园丁，每天辛辛苦苦、勤勤恳恳地培育幼苗。是呀！不错的，张老师不就是这样的吗？我们的英语老师，她很和蔼，就像我们的妈妈，又像我们的姐姐。她在学生的心目中，是 “ 真的种子，善的信使，美的旗帜 ” 。这就是她留在我们心中的高大形象。她不是演员，却吸引着我们饥渴的目光；她不是歌唱家，却让知识的清泉叮咚作响，唱出迷人的歌曲；她不是雕塑家，却塑造着一批批青年人的灵魂。

张老师最大的也是最让人喜欢的特点就是她的严于律己。她训导别人时，不会伤到别人的自尊心，总是循循开导，让人记忆深刻，不敢再犯。她对我们严格要求，并以自己的行动为榜样。您的规劝、要求，甚至命令，一经提出，便要我们一定做到，然而又总使我们心悦诚服，自觉行动。

作为一位老师，她非常认真。她从未在上课时和我们开玩笑，每节课都有明确的教学目的，在课前对这一节课做了详细的安排，如阅读理解7分钟，完型填空15分钟。她的课堂，一分一秒都不会浪费，总是安排地满满当当的。她总是在打预备铃就进入教室，然后精神饱满地开始上课，我们学生大部分都能跟着她的思路学习，气氛活跃，课堂效率高。授课内容详细，充实，简单明了，使学生能够轻轻松松掌握知识。教学过程中尊重学生，语言生动，条理清晰，举例充分恰当，对待学生严格要求，能够鼓励学生踊跃发言，使课堂气氛比较积极热烈。上她的课，时间总过得那么快，一切都是那么井然有序，整节课学下来有收获、欣喜，使人对英语有浓厚的兴趣。

我们的张老师是一位负责、对工作从不懈怠的好老师。在她感冒，嗓子不适时，她依然坚持给我们讲课，不愿耽误学生的宝贵时间。她也是一位勤劳、敬业的老师，冒着大雨，发丝上挂着雨滴进入教室，裤腿都湿了，但她丝毫没在意，争分夺秒为我们讲课。她还十分关心我们的学习。在我们的心目中，她就像我们的大姐姐，关心着我们，她是最美的老师。记得有一次，有位同学生病请假，误了一节英语课，张老师把这位同学叫到办公室，细心辅导了一番，张老师多么敬业，多么负责啊！

还有我们最喜欢张老师孜孜不倦的教学态度。当上自习时，大多数老师趴在讲桌上不是坐着看学生就是忙着自己的事情。而她总是在过道走着以方便同学们问问题，并乐此不疲地为同学们排忧解难。她让我们学会每一个知识点，不断提高我们的学习成绩。让我们不要为今天不努力而遗憾，对学生完不成作业紧追不舍。她对我们的关心，我们看在眼里，记在心上。在她的`字典里，似乎没有“累”这个字眼，她说：“我是普普通通的一名教师，任教将近15年。在这平凡的教学岗位上，我每天都在做着不平凡的工作。教书育人，一点都不能马虎。我要为学生负责。”多么朴实的话语呀。这就是我们的老师，她平易近人又教学有方。她是一位当之无愧的好老师，是我们心目中的偶像，也是我们的奋斗目标。愿我们的老师越来越漂亮，成为学生眼里最美的老师。

雅思作文篇4

wind blows up bags higher and higher in the sky. it is a scary thought that some day the earth will turn into a huge garbage land. wastes, if not treated properly, will make our life a living nightmare.

the environmental issue is getting worse almost every day in cities with very large population. as is often the case, city development outpaces environmental protection. people consume great amount of natural resouces and produce wastes. to effectively address such problems, cities need to spend big money. in addition, they need to call to the attention of people to become more environmentally responsible.

many people are becoming less responsible and easily influenced by bad behaviors. “why should i care while others don’t care?” such idea makes some people only concern with places where they live and work. furthermore, people sometimes even purposely litter for revenge to other people.

although media promotes environmental awareness, good people are often snubbed as posers who try to set up a superior image in real life. consequently, they are intimated of receiving negative comments for doing the right thing. wrong as it is, such phenomenon is widespread especially among youngsters and people with low income and little education.

however, our society is waging a campaign against environmental pollution. people learn the harms of undegradable lunch boxes and other polluting wastes. laws in many countries prohibit or limit excessive use of polluting bags. companies are continuely replacing the old materials with more environmental friendly and recyclable kinds. scientists have

developed more effective technologies in waste treatment. as time goes by, more and more people put high priority on the protection of environment for a healthier life.

to sum up, people produce huge amount of garbage and the environment is seriously polluted because of lack of financial resources, sense of responsibility, or efforts. but the world will not turn into a “throw away” society if people put in sufficient efforts to protect our environment.

雅思作文篇5

it happened on a summer afternoon when the sun was high in the sky like a fireball, with no wind, and the flowers were listless. how i long for a piece of ice cream on my way to school.

walking along, i saw a group of people in front of them buying ice cream. i was even more thirsty, so i ran up and bought a ice cream. i took a bite of the ice cream, wow! really comfortable, from the beginning has been cool to foot, i threw a ice cream paper, when a car drove by from me, just ice cream paper fluttering, just on the outside of the garbage, i wanted to ran to pick up, but on second thought, i don't is a piece of paper, not a big deal. so he went on.

after a while, i saw a little boy of five and six, and said to his mother, "mother, here you are!" he left the ice cream on his mother and tossed the ice cream paper. saw his mother said to him: "the father-in-law as love as you are clean, you put his clothes dirty, he will not happy, we need to protect the environment, let's throw into the garbage in front of the paper. the little boy nodded, put ice cream paper thrown into the garbage.

i feel shy, yes, we should protect the good and bad, so that we can make our home more beautiful.

雅思作文篇6

nowadays,more and more hi-tech tools,such as calculator,computer,etc,appear in our daily life.we use them wherever and whenever we are,so that our life becomes easier and more comfortable than before.however,does anyone think about what problems science and technology have caused to happen in this world?to some degree,it's more serious than that we consider.we human indeed use them to improve our living standard,but on the other hand,we are becoming lazier,more reliable than we used to be.all day long those hi-tech products accompany us,then we have either no space or time to think,as well,communication between each other decreases,and what takes place of it is the huge indifference and gap among human.

to solve these problems,we should in no time take measures to do with them.firstly,communicate with others and think on your own more.secondly,decrease the times you use hi-tech tools.for the advantages of technology,we should absorb,at the meantime,be independent and abandon the short-comings.thus,we could combine technology and human progress much closer and not lose ourselves in this modern society.

雅思作文篇7

the rapid development of science and technology has brought about great changes to human life.the great benefits brought about by this progress is hailed in every corner of the world.new electronic appliances have made our life simpler than ever before.new inventions have helped us to organize our daily activities.our job can be done faster.mobiles and qq have made it easier to communicate with other people.internet has enabled us to know and understand other culture and society better.

however,the disadvantages about this development should not be neglected .some of scientific inventions have even caused great harms or disastersto mankind.for example,advanced technology can be easily manipulated by irresponsible persons.besides,we'll be too dependant on it.when technology fails,we are helpless

sometimes,it affects our health and lifestyles(we'll be complacent and lazy.) the chemicals may be hazardous).what's worse,science and tecnology may even destroy our simple and healthy life(sometimes how we miss the traditional style of living!).in addition ,the appearance of new technology may invade our privacy.

to sum up,humans must be alert against the possible harm while enjoying the benefits from them.

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