关于在线课程的英文作文【一】
as we know , water is very important to man, we can’t live without water. the amount of water which is suitable to drink is less and less. but some people don’t care about it .they waste a lot of water in their daily life. even worse, they pour dirty water in to rivers. they throw rubbish into rivers , too. many rivers and lakes are seriously polluted.something must be done to stop the pollution. only in this way can we live happily. if we don’t save water, the last drop of water will be a tear-drop of us.
we know that despite the fact that seventy percent of the earth＇s surface is covered with water, only a little part of it is fresh water. yet the demand for fresh water in our daily life and in industry seems great. moreover, with the expansion of the population and development of industry, the amount of the fresh water needed will increase even rapidly. it is estimated that if such a trend continues, the fresh water on earth will be exhausted very soon. what is worse, more and more water resources are being polluted, making the water unfit to use.
in addition,we must warn the people of the importance of water and the danger we are facing.for example, in most asian societies where rice is the staple food, the water used after cleaning rice contains various nutrients for plant growth and is an excellent detergent to flush the toilet. furthermore, the intriguing idea of converting the inexhaustible sea water to fresh water supplies will be the ultimate solution.
关于在线课程的英文作文【二】
the importance of water(一
水的重要性（一）
the importance of water（一）
it is well-known that water is indispensable in existing, in producing and in living. and we should
not waste of a drop of water.
众所周知，在生产和生活中水是必不可少的。我们不应该浪费一滴水。
first, water is definitely important for life. as is known to us all, water is necessary to sup
port life. without water, human beings, animals and plants cannot exist at all.
首先，水对生命是非常重要的。众所周知，水是维持生命所必需的。没有水，人类，动物和植物都不复存在。 second, water is also significant for producing. for one thing, industrial production needs a lot of water, such as using water to generate electricity. for another, agricultural production is also in need of water, especially in irrigation.
关于在线课程的英文作文【三】
今天晚上8点，我准时坐在电视机前，观看了中央一台的《开学第一课》。以“中华骄傲”为主，讲述了中国文化的博大精深和魅力，以及传播中华文化的使者们的故事。
王老师以“正”和“直”这两个字为例，给我们讲述了中国文字的形成和寓意。美国人理查德被网友亲切地称为“汉字叔叔”，因为他深深地被汉字的独特魅力所吸引，每天废寝忘食地努力学习汉字，用二十年时间将每个汉字的甲骨文、小篆、金文和楷书的`字形整理好并放在网上供全世界所有的人学习。
中国的文化包括文和武两个方面，武术演员吴京告诉我们：中华武术不仅能让我们强生健体，还包含着仁义、正直、勇敢和坚韧的精神，预示着我们保卫国家，自强不息的气节。
中国的科学技术突飞猛进。围棋冠军柯洁跟我们分享了他与机器人对弈的故事，钢琴家朗朗与机器人合奏了中国传统歌曲《彩云追月》，并告诫我们，不仅要将传统文化学好，也要努力学习先进的科学技术。
许渊冲爷爷认为中国的诗词有三美：意美、形美、声美，所以他将中国的诗词翻译成英文，让全世界的人们都来共同欣赏。巴基斯坦的汉语教师米斯巴从事汉语教学二十年，将中国的汉语文化传向全世界。他们都是传播中华文化的使者！
在整个观看学习的过程中，我的整体感受是：中国的文化独特、繁华，是我们民族的符号。我们肩负历史责任，一定要好好学习，将中华文化传承和弘扬光大！
