全国职称英语考试卫生类C级课堂笔记概括大意第六讲2

1、全国职称英语考试卫生类 C 级课堂笔记概括 大意第六讲 2答案及解析：1 文章标题分析：Soot 煤灰 and Snow ： a HotCombination根据标题内容可以判断该文章与自然环境环境污染有关。2被选项分析：A Soots Role in Changes in the Climate and theAtmosphereB Observations of Warming in the Northern HemisphereC Explanation of Increased Warming Effect Caused by SootC Effect to Reduce Snow A

2、lbedo反照率E Ways to Reduce Soot EmissionF Greenhouse Gases as the Main Factor of G1obal Warming 分析：被选项中都涉及到了文章标题所揭示的核心词，划线结构 是小标题中的核心结构，也是可以用作答案线索的结构。直接解题：A Soots Role in Changes in the Climate and the AtmosphereB Observations of Warming in the Northern HemisphereC Explanation of Increased Warming Eff

3、ect Caused by SootC Effect to Reduce Snow Albedo反照率E Ways to Reduce Soot EmissionF Greenhouse Gases as the Main Factor of G1obal Warming1 Paragraph 3 _.Soot in areas with snow and ice may play an important role in climate change Also ，if snow and ice- covered areas begin melting ，the warming effect

4、increases， as the soot becomesmore concentrated on the snow surface This provides apositive feedback, as glaciers and ice sheets melt， they tend toget even dirtier, said Dr James Hansen ，a researcher at NASAs Goddard Institute for Space Studies New York 1C 分析：段首句的大意和用词似乎在暗示 A 是答案。但是 在下文中没有具体提到 soot

5、是如何改变气候的排除 A 。段落中 soot 出现了两次，因此重点注意包含 soot的被选项：C和E。段落中没 有提到有关煤灰散发的问题，所以排除E,选择C。提示：在借助段首句内容的时候判断答案的时候还应该扫视一下 全文A Soots Role in Changes in the Climate and theAtmosphereB Observations of Warming in the Northern HemisphereC Effect to Reduce Snow Albedo反照率E Ways to Reduce Soot EmissionF Greenhouse Gases

6、as the Main Factor of G1obal Warming2 Paragraph4 _ Hansen found soots effect on snow albedo solar energy reflected back to space ， which may be contributing to trends toward early springs in the Northern Hemisphere， such asthinning Arctic sea ice ，melting glaciers and permafrostSootalso is believed

7、to play a role in changes in the atmosphere above the oceans and land 2A 分析：因为段落中 soot 出现了两次，因此重点注意包含 soot的被选项：A和E,同样段落中没有提到有关煤灰散发的问题, 所以判断 A 是答案段落最后一句观点句的含义与 A 一致提示： 避重就轻法 - 段首句复杂那么看段未句。反照率B Observations of Warming in the Northern HemisphereC Effect to Reduce Snow AlbedoE Ways to Reduce Soot Emissi

8、onF Greenhouse Gases as the Main Factor of G1obal Warming3 Paragraph 6 _.Hansen cautioned ， although the role of soot in altering global climate is substantial ， it does not alter the fact that greenhouse gases are the primary cause of climate warming during the past century Such gases are expected

9、to be the largest climate forcing for the rest of this century 3 F。 分析：因为段落中 gas 出现了两次，因此重点注意包含 gas的被选项：F。而F中的内容正好与段首句中的核心结构it doesnot alter the fact that greenhouse gases are the primary cause of climate warming during the past century它没有改变 温室效应是在过去的世纪中造成气候变暖的主要原因 这个事实一致。B Observations of Warming i

10、n the Northern HemisphereC Effect to Reduce Snow Albedo 反照率E Ways to Reduce Soot EmissionWord是学生和职场人士最常用的一款办公软件之一，99.99% 的人知道它，但其实，这个软件背后，还有一大批隐藏技能你不知道。掌握他们，你将开启新世界的大门。Tab+Enter,在编过号以后，会自动编号段落Ctrl + D 调出字体栏，配合 Tab+Enter 全键盘操作吧Ctrl + L 左对齐， Ctrl + R 右对齐， Ctrl + E 居中Ctrl + F 查找，Ctrl + H 替换。然后关于替换，里面又大有学问！有时候Word文档中有许多多余的空行需要删除，这个时候我们可以完全可以用查找替换来轻松解决。翻开 编辑菜单中的 替换对话框，把光标定位在 查找内容输入框