劣势：1.
olcanic eruptions emit large amounts of volcanic ash and heavy rain combined with the formation of debris washed out roads, bridges, flooded nearby villages and cities, making many people homeless. The soil and rock debris forming mud like flooding over the whole city.
Although the rock was covered by volcanic ash clouds, but still can be seen after the eruption of the volcano was sprayed into the air of a huge rock.
2.Volcanic clastic lava pyroclastic material content accounted for more than 90% of the rocks, pyroclastic material mainly lithic, crystal chips and vitric, because pyroclastic no after long distance transport is basically in situ accumulation. Therefore, particles sorting and roundness are very poor.
4.求一篇有关网上学习的优缺点的英文作文（120字）自己写的 ， 水平不高 ， 不保证完全没有语法或者词汇错误 。
i often study by internet. i learn by watching the video web site to learn a lot of useful knowledge, and do not have to pay any charges. watch the video to learn are the qualities which i can repeat viewing, which i made great progress. i browsed through a variety of news websites that many of the latest social events, which let me gain more knowledge. the search engines can get the information to me quickly , it's very convenient. the network is very good for my study. 译文： 我经常在网上学习 。我通过观看站的视频学到许多有用的知识 ， 并且不用支付任何费用 。
观看视频学习的优点是我可以重复观看 ， 这让我取得很大的进步 。我通过浏览各种新闻网站了解到许多最新的社会事件 ， 这让我获取更多的知识 。
我通过搜索引擎可以很快地得到我想要的资料 ， 非常方便 。网络是我学习的好帮手 。
5.英语作文关于电子书的利弊怎么写In recent years, electronic books, as a product of information technology, have gained more and more popularity. It is no doubt electronic books bring many benefits. For one thing, they are so convenient that we can read them anywhere and anytime. For another, their appearance will make paper-waste less.
However, as every coin has two sides, electronic books also have some disadvantages. For example, long time of reading e-books does harm to our eyes.
Weighing up the pros and cons, I think that e-books are beneficial if we read correctly and properly instead of reading over.
带翻译：
近年来 ， 电子图书 ， 作为信息技术的产物 ， 获得了越来越多的欢迎 。毫无疑问电子图书带来很多好处 。首先 ， 他们都很方便 ， 我们可以阅读 。另一方面 ， 外表会减少纸张的浪费 。
但是 ， 每个事物都有两面性 ， 电子图书也有一些缺点 。例如 ， 长时间的阅读电子书对我们的眼睛有害 。
权衡利弊 ， 我认为电子书是有益的如果我们正确阅读和正确 ， 而不是阅读 。
6.怎么用英语介绍自己的优点善于处理复杂的人事关系 good at handling complicated interpersonal relations
愿意与人合作 willing to cooperate
善于把伙伴的潜力发挥出来 good at tapping the potentials of the co-workers
吃苦耐劳 hard-working and tolerant of hardship
积极进取 be aggressive
以上这些比较适合于初入社会的学生 。
【劣势的英文怎么写】
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