高一期末必考英语作文
在日常学习、工作抑或是生活中，大家对作文都不陌生吧，作文根据写作时限的不同可以分为限时作文和非限时作文。怎么写作文才能避免踩雷呢？下面是小编精心整理的高一期末必考英语作文，希望对大家有所帮助。
高一期末必考英语作文1
Nowadays cyber criminals seem to be everywhere, with a few clicks, committing all kinds of cyber crimes. To illustrate, some commit fraud or lift intellectual property. Others subvert deals, snatch passwords or disrupt e-commerce. Still others unleash viruses to crash computers. As a result, these hackers do a great damage to companies and computer users, causing computer losses up to 10 billion dollars per year.
Naturally,there are many causes for the cyber crimes. In addition to the wicked nature of the hackers, the fraihies of Internet partially nourish the crimes. Just because there are holes in Internet, the complex software is buggy and often infested, the cyber vandals can find out the weakness in the Website software programs and IV manipulating software glitches, gain access to Website, committing all kinds of crimes.
However, we shouldn't tolerate these cyber criminals any more. And it's high time for us to take all the effective steps to battle the cyber crooks. First we should reinforce the cyber laws to protect the Web, the powerful engine of economy. Besides,we should use high techniques to improve intrusion detection, encrypfion and computer security. Finally, we should train more talented people to build up more firewalls so as to make the net immune to all kinds of viruses and unalienable to all kinds of cyber criminals.
高一期末必考英语作文2
Haze is air pollution in which is mixed up with dust, smoke and other dry particles ,and it obscure the clarity of the sky and interacts with the natural environment.
阴霾是空气污染和灰尘,烟雾和其他干燥粒子,它掩盖了清晰的天空,与自然环境进行交互。
This kind of air pollutant come from a variety of natural and manmade sources. Natural sources can include windblown dust, and soot from wildfires. Manmade sources can include motor vehicles, and industrial fuel burning, and manufacturing operations. The one of the main cause that touches off haze is manufacturing operations. Many factories were over measure produced the smog that had over the standard and the smog seriously influence the air become air pollution.
这种空气污染物来自各种自然和人为来源。天然来源可以包括风沙、烟尘从森林大火。人为来源可以包括机动车辆、工业燃料燃烧和制造业务。触动了烟雾的主要原因之一是制造业务。许多工厂测量产生的烟雾对标准和烟雾严重影响空气成为空气污染。
The components that make up haze may have negative effect on people's health especially that of the children and the elderly. Also not excluded are those who have certain diseases such as asthma, allergy, and pneumonia and lung disease. Workers working in the open air have a high risk in their health.
组件构成烟雾可能对人们的健康有负面影响特别是儿童和老人。也不排除是某些疾病如哮喘、过敏、肺炎和肺部疾病。工人工作在露天有很高的'风险在他们的健康。
One of effective solutions to help eliminate haze is to make some chemistry changes during the manufacturing process,so it could reduce harmful emissions which are produced by manufacturing operations.
一个有效的解决方案,帮助消除烟雾是让一些化学变化在制造过程中,所以它能减少有害排放产生的制造业务。