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2018届二轮复习阅读理解专题如何选择文章标题课件(16张)
2018 届二轮复习阅读理解专题 如何选择文章标题 如何选择文章标题 近几年的全国卷对主旨大意题的考查主要是要求考生选择文章标题。 文章标题是文章中心思想的最精炼的表达 , 因此它具有三个特点:概括性 , 针对性 ( 内容覆盖全文 , 范围不大不小 ), 醒目性。解题三法: 1. 略读法: 读首尾段或首尾句寻找主题句 , 议论文、说明文和新闻 , 主题句通常在文首或文尾 , 有时首尾照应。科普说明文 , 实验结论即为主题句 , 常在 The research shows that 或 The researchers conclude that 句中。 2. 写作法: 阅读文章前 , 浏览各选项 , 逐一设想 , 如果用这个标题来写 , 应写些什么呢?并构思结构框架 , 然后快速阅读 , 对照设想 , 一一排除不符者。 3. 研究备选项: 比较各选项 , 了解差异 , 分析范围 , 注意排除范围大小不符或以偏概全或只是一个细节的选项。 第一节 1. In Charles Czeislers experiment, all the subjects were asked to _____. A. sit in a row and receive the strict tests B. have their sleep patterns observed all night C. read a paper book and an iPad at the same time D. have their blood tested per hour during the trial B 细节理解题。 由第二段第三行,第四行的描述可知是在观察他们一整夜的睡眠模式。故选 B 。 B 2. The third paragraph tells us the iPad readers were likely to _____. A. feel less sleepy and tired in the day B. fall asleep more easily after reading C. become less energetic the next morning D. have a lot more melatonin secretion C 推理判断题。 由第三段第一句话的描述和题干关键词 the ipad reader ,故选 C 。 C 3. The special software recently developed can ____. A. remove the blue light from your devices completely B. help prevent eyes being harmed by short wavelength C. weaken the harm done by doing nighttime e-reading D. be used in all the e-things widely and safely C 细节理解题。 由最后一自然段的描述和题干要求可知,这个特殊的软件可以削弱夜间电子阅读所造成的伤害。故选 C 。 C 4. Which of the following can be the best title for the text? _____ A. No e-reading in bed before sleep B. New software for night e-readers C. Wrong behaviors before bedtime D. No games on iPad in bed A A 文章标题题。 本文第一段 but 后指出“人们在睡前喜欢阅读 ipad ” ,这要好不好呢?第二段和第三段是说哈佛医学院的实验研究情况,第四段是实验结果。“入睡推迟”“分泌推迟”“患癌机率更大”,最后一段是解决办法,还需进一步研究。综上所述,作者写此文意在告诉人们睡觉前不要躺在床上进行电子阅读。故选 A 。 [难句理解] The researchers conclude in today’s journal article that given the rise of e-readers and the increasingly widespread use of e-things among children and adolescents, more research into the long-term consequences of these devices on health and safety is urgently needed. 结构分析: 本句包括 that 引导的宾语从句, given 是介词,意思是“考虑到”。 汉语大意: 在今日期刊文章中,研究者得出结论:随着电子阅读器的大量出现以及越来越多的孩子和青少年使用电子产品,关于这些设备对健康和安全的长期影响的结果急需更多的研究。 reserved adj. 预订的 monitor vt . 监督 melatonin n. 褪黑激素 delayed adj. 延迟的 adolescent n. 青少年 consequences n. 结果 wavelength n. < 物 > 波长 logical adj. 符合逻辑的 助读强化 第二节 A. It also helps our eyes see things clearly in the dark by improving the visual ability. B. If possible, purchase a new computer instead of using an old model computer. C. The simplest way is by drinking 2 & 3 cups of green tea every day. D. The most efficient way is by drinking some coffee regularly. E. And adjust the brightness of your computer screen. F. Apply a layer of facial mask to protect yourself. G. And adjust the sound level on your computer. 本文介绍了防电脑辐射的方法。 1. C 根据下文“ Green tea can be absorbed by the body easily into…” 可知,绿茶很容易被吸收 …… ,所以选 C 最简单的方法是每天喝 2 、 3 杯绿茶,故选 C 。 2. A 根据上一句“ …easily into a form of vitamin A, which helps reduce radiation.” 是讲维他命 A 的作用, A 选项也是讲通过提高我们的视觉能力以帮助我们在黑暗中能看清东西。故选 A 。 3. E 根据下文“ The brighter the screen the higher the radiation there will be and vice versa.” 可知,屏幕越亮,辐射越高,所以选 G 调整电脑屏幕的亮度,故选 E 。 4. F 根据总体句“ Make sure you do a skincare protection before sitting in front of the computer.” 可知,要确保坐在电脑前要有保护皮肤的措施,所以下文应该选具体的措施。故选 F 。 5. B 根据下文“ Old computer in general, has one to two times more radiations released than the new one within the same distance.” 可知,老电脑比新电脑的辐射要高,所以主题句应该是如果有可能,购买一台新电脑而不用老电脑。故选 B 。 radiation n. 辐射 absorb v. 吸收 attach v. 粘,贴 substance n. 物质 give off 释放 protect…from… 保护 …… 免受伤害 in general 一般来说 if possible 如果可能的话 助读强化 Thank you!查看更多