科学与人类生活 science and technology have been bringing human beings tremendous benefits. thanks to science and technology, we now live comfortably and conveniently in houses furnished with air conditioners, refrigerators, washing machines and televisions etc. thanks to science and technology, we can eat fresh vegetables att the year round. thanks to science and technology, we can travel tong distances in the fraction of a second on planes, trains and cars. thanks to science and technology, we wear clothes with synthetic materials which can not easily be worn out. however, science and technology have atso brought us a tot of disasters. first, because of the many breakthroughs in the field of medicine, people are now living much longer than they used to. as a result, the population of the world is increasing, causing tots of problems. second, because of the development of industry, tots of the wastes from factories pour into the air and rivers, causing pollution of att kinds. third, some terrorists are using science and technology against mankind. they use biological, chemical and unclear weapons to threaten world peace...
so its urgent that we find ways to solve these problems. but we should not stop the development of science and technology because of these disasters they bring, just as we should not give up eating for fear of choking. in addition, we should make some rules to regulate our actions. as long as we use science and technology in a proper way, they may bring us even more benefits.
初二英语常用必备词组(二)
初中英语词汇初二(字母)下 a-l
初二英语上册词组总复习(D-F)
初三英语单词表:Unit7
初二英语常用必备词组汇总
初二英语英语(下册)重点词组与句型
初三英语单词表:Unit13
初二英语易混词语辩析
初中英语词汇初二(字母)上 a-h
八年级下册英语单词表带音标:UNIT 4
初二英语上册词组总复习(G)
初二英语上册单词表-外研版(三)
初二英语常用必备词组(一)
《舌尖上的中国》:中国美食的英文表达
初中英语词汇初二(字母)上 i-z
致英语控:世界上最美丽的英文单词是哪个?
初中英语词汇初二(字母)下 m-z
初二英语上册词组总复习(A-C)
初二下学期期中考试词组汇总140个
初三英语单词表:Unit5
初三英语单词表:Unit6
初二英语上册单词表-外研版
初三英语单词表:Unit3
初三英语单词表:Unit8
初三英语单词表:Unit10
八年级下册英语单词表(带音标):Unit 1
八年级下册英语单词表带音标:UNIT 2
初中英语词汇初二(单元) Unit09-14
英语热词:世界杯上的“反歧视日”
初二英语上册词组总复习
| 不限 |
| 英语教案 |
| 英语课件 |
| 英语试题 |
| 不限 |
| 不限 |
| 上册 |
| 下册 |
| 不限 |