Adults and children are frequently confronted with statements about the alarming rate of loss of tropical rainforests. For example, one graphic illustration to which children might readily relate is t
World science is dominated today by a small number of languages , including Japanese, German and French, but it is English which is probably the most popular global language of science(Introduce the t
Review on reading 文章内容: Cambridge 3 Test 1 Passage1 :火箭发展的历史 List of headings(4), multiple choice(2), matching(8). Cambridge 3 Test 1 Passage2: 吸烟和被动吸烟的危害 Multiple choice(3), Y/N
What Happens When We Die?我们死的时候到底发生了什么呢? 时代周刊专访Dr. Sam Parnia ,一个专门研究死亡的。A fellow at New York City's Weill Cornell Medical Center, Dr. Sam Parnia is one of the world's