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答案如下，后面的是选做题的答案，要注意区分哦！
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选做题答案及解析
1-4 DABA 5-8CABA
解析
A篇
主题语境：人与社会——科学与技术
本文是记叙文。文章介绍了莱特兄弟发明飞机的过程、试飞经历以及媒体报道等。
1. D。细节理解题。由第一段中的Theywere brothers from Dayton, Ohio, and they owned a bicycle shop可知，他们拥有一家自行车店。
2. A。细节理解题。由第二段中的Orvillewon the toss of a coin. He got to fly first可知，Orville在投掷硬币时获胜，他赢得了首先试飞的机会。
3. B。细节理解题。由第三段中的Theheadlines in the morning newspaper in nearby Norfolk, Virginia — TheVirginian-Pilot — told of the flight, but most of the details in the story were wrong可知，该文章虽然报道了此次试飞，但是该报道中的大部分细节都是错误的。
4. A。细节理解题。由第五段中的When thereporters arrived, the brothers were having mechanical problems with the plane以及The Wrightbrothers wouldn't fly on those days; the plane wasn't ready可知，莱特兄弟之所以未能试飞是因为飞机还未就绪，有一些技术问题需要解决。
B篇
主题语境：人与自我——生活与学习
本文是说明文。美国90%的青少年缺乏锻炼，并且随着年龄的递增运动量递减。
5. C。细节理解题。由第二段中的Ratherthan depending on surveys to get data, Li asked the participants in the studyto wear accelerometers可知，他的研究并不是基于调查，而是让参加者佩戴记录他们运动量的设备。
6. A。细节理解题。由第二段中的Li foundthat 91 percent of the 16- to 19-year-old participants did not meet therequirements和第三段中的Earlier studies have shown that the amount of daily physicalactivity is likely to go down from childhood to late teenage years and beyond以及第四段中的Lifound that, after high school, physical activity levels remained low可知，之前的研究与Li的研究都发现随着年龄的增长，孩子们的运动量在减少。
7. B。细节理解题。由倒数第三段中的Collegesshould ask students to do more physical activities — not justwith facilities, but with programs to encourage students可知，大学应该为学生提供更多接触体育运动的机会。
8. A。主旨大意题。本文围绕Li的研究，说明美国90%的青少年缺乏足够的锻炼。故A项可以概括文意。
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发表于 2019-9-22 19:14:45