电脑如何发明英语作文【一】
在战争时期，人们用信鸽，驿站，马拉邮车，灯塔等传递信息方式。现在，电脑只要上qq就可以和朋友通话了。
电脑是什么时候发明的呢？
电脑是五百多年前的美国宪夕法尼亚大学研制成功世界上的第一台电脑，第一台计算机叫eniac，它长50英尺，宽30英尺，占地面积约140平方米，30个操作台，重达30吨，耗电150千瓦，造价48万美元。它坏了一个零件，整个电脑就不能用了，必须得一个个的找，然后换上新的。
科学家发明第一台电脑后，越来越好的'电脑被研制了出来。计算机可以控制各种工具导弹，机器人，无人驾驶机等等。
头脑是人的司令部，如果没有它，我们便会死去。人的头脑好比电脑的主机箱，如果没有主机箱，电脑就不能用了，电脑好比人的每一个部位，少一个就会终身残疾。
电脑如何发明英语作文【二】
How to prevent the H7N9?
As is well known,the A flu is spreading throught our country. However, if we negnect it, the deadly H7N9 may cause more infectors,or even more deaths. So what is the most important is that we should take some effective measures to prevent it.They can be listed as follows.
Firstly,it is necessary for you to realize the Avian flu can be prevented if you develop good living habits. For example,you shouldn’t forget to wash your hands before meals.Besides,don’t spit everywhere and try to cover your mouth or nose with paper or hankerchiefs when you have to cough or sneeze.What’s more, remember to wear the mouth-cover if you have to go to the public places, such as the crowded cinemas,supermarkets, buses,where the A flu may spread easily.
Secondly,of course, taking exercise more often and taking good sleep to build your body are wise choices for you to reduce the risk of being infected.
Last but not the least, if you are unlucky to be infected with the slight flu cold, try to stay at home,and take some medicine. Do pay attention to your daily body temperature. If you have a high fever, go to the hospital without delay for further treatment. Make sure you are not expected to come back to school before the cold or flu is cured.
Only by doing like this can you prevent or defeat the A flu in the end.
电脑如何发明英语作文【三】
假如我是一名发明家，我会发明一种奇特的衣服，穿上它之后，它会根据春夏秋冬这四个季节的变换而自动改变衣服的厚薄。还可以调节各种颜色，使人们不用因为四季的变化，挑选衣服。
假如我是一名发明家，我会发明一种吸尘器，它会自动把每一个角落的灰尘吸得干干净净，不留下一点痕迹，而且它还可以把特大的垃圾也吸到里面，使环境更清新。
假如我是一名发明家，我会发明一种神奇的黑板，这种黑板不用粉笔，只要老师讲课，黑板就会自动出现老师所讲的`内容。这样老师就不用在黑板前面“吃”粉笔灰了。老师也不用那么辛苦了。
假如我是一名发明家，我会发明一种能自动调节大小的防御罩，发洪水的时候，人们躲在里面，可以防止洪水的袭击。
假如我是一名发明家，我会发明一个人造地球，在这个地球上，没有任何灾难和战争，人们能够无忧无虑的生活。
今后我一定好好学习，让这个美好的愿望能够早日实现。
电脑如何发明英语作文【四】
Computer is a very useful machine. Some of them are big, but some of them are very small .Many people like playing computer. Computer has many functions, so that people can do a lot of things by computer, like watching movies, listening to the music or playing games. It can make our lives very colorful and convenient. Various people can make good use of computer. Children can use computer to learn and play games. Parents can use computers to work. I think computer is a kind of wonderful and interesting machine, so I like computer very much.
电脑是一种很有用的机器。有的电脑很大，但是有的'很小。很多人喜欢玩电脑。电脑有很多功能，人们可以i用电脑做很多事情，比如说看电影，听音乐或者玩游戏。它可以使我们的生活充满色彩和便利。各种各样的人都可以好好利用电脑。小孩子可以用电脑来学习和玩游戏。父母可以用电脑来工作。我认为电脑是一种神奇有趣的机器，所以我很喜欢电脑。
电脑如何发明英语作文【五】
Expert tips on how to prevent avian influenza H7N9 collated by current argument data dictionary
1.平时加强体育锻炼，多休息，避免过度劳累，不吸烟，勤洗手;注意个人卫生，打喷嚏或咳嗽时掩住口鼻。
1 usually strengthen physical exercise, rest more, avoid excessive overworked, do not smoke, wash their hands; pay attention to personal hygiene, when sneezing or coughing and cover your nose and mouth.
2.保持室内清洁，使用消毒液清洗的地毯，避免使用难以清洗的地毯，保持地面、天花板、家具及墙壁清洁，确保排水道通畅;保持室内空气流通，应每天开窗换气两次，每次至少10分钟，或使用抽气扇保持空气流通;尽量少去 空气不流通的场所。
2 keep the room clean, use disinfectant cleaning carpets, avoid the use of hard to clean the carpet, keep the floor, ceiling, furniture and walls clean, to ensure smooth drainage channel; maintains the indoor air circulation, ventilation windows should be at least two times a day, 10 minutes each time, or use a fan to keep air circulation; as little as possible to airless places.
3.注意饮食卫生，进食禽肉、蛋类要彻底煮熟，加工、保存食物时要注意生、熟分开;养成良好的卫生习惯，搞好厨房卫生，不生食禽肉和内脏。解剖活(死家禽、家畜及其制品后要彻底洗手。
3, pay attention to food hygiene, eating meat, eggs should be thoroughly cooked, processing, preservation of food to the attention of raw, cooked separately; develop good health habits, good kitchen hygiene, do not eat raw poultry meat and offal. Anatomy of living (dead to wash hands thoroughly, livestock and poultry products.
同时，在户外洗手不方便的时候，可以使用免洗洗手液，随身携带，随时随地隔离病菌，呵护您的健康。
At the same time, when the outdoor hand-washing is not convenient, can use hand sanitizer, carry whenever and wherever possible, isolate the pathogen, take care of your health.
4.发现疫情时，应尽量避免与禽类接触;公众特别是儿童应避免密切接触家禽和野禽。
4 found in the epidemic, should avoid contact with poultry; the public especially children should avoid close contact with poultry and wild birds.
5.注意生活用具的消毒处理。禽流感病毒不耐热，100°C下一分钟即可灭活。对干燥、紫外线照射、汞、氯等常用消毒药都很敏感。
5 pay attention to disinfection and living appliances. Avian influenza viruses do not heat, 100 ° C, one minute can be inact
