A．necessary for teenagers

　　B．attractive to New Yorkers

　　C．available to people worldwide

　　D．expensive for average consumers

　　答案　D　[细节理解题。由第四段第二句“...the average consumer isn't gonna be able to afford another device (装置) that's hundreds and hundreds of dollars.”可知这种新产品价格高，普通消费者负担不起，所以答案为D项。]

　　4．We can learn from the last two paragraphs that the smartphonelike glasses ________.

　　A．may have a potential market

　　B．are as common as smartphones

　　C．are popular among young adults

　　D．will be improved by a new technology

　　答案　A　[推理判断题。由第五段中的“...he is confident that this type of wearable device will eventually be as common as smartphones.”和第六段最后一句“‘There's gonna be improvements to that，and this a step there.'”可知，这种眼镜有潜在的市场。只有A项符合语境。]

　　B

　　体裁：

　　议论文 话题：

　　工作方式 词数：374 难度：

　　★★★ 建议用时：

　　8分钟

　　Multitasking

　　(2017·北京，D篇)People who multitask all the time may be the worst at doing two things at once, a new research suggests.The findings, based on performances and selfevaluations by about 275 college students, indicate that many people multitask not out of a desire to increase productivity, but because they are easily distracted (分心) and

【2017届高考英语一轮配套活页训练：选修8 Unit 5　Meeting your ancestors（北师大版）】相关文章：

★ 2014高考英语（新人教版）一轮基础训练（20）A、B卷（附答案或解析）

★ 北京市2014高考英语一轮复习 练习手册（19）必修4 Unit 4 Body language（含解析）新人教版

★ 【人教版】2014届高考英语一轮复习指导考点针对练：必修2 unit1《Cultural relics》

★ 四川省广安市2014高考英语一轮基础训练题（9）及答案

★ 【人教版】2014届高考英语一轮复习指导考点针对练：必修5 unit2《The United Kingdom》

★ 北京市2014高考英语一轮复习 练习手册（40）选修8 Unit 5 Meeting your ancestors（含解析）新人教版

★ 【北师大版】2014届高考英语一轮复习指导课时作业：Unit 9 A卷 Word版含解析

★ 【北京专用】2014届高考英语一轮复习方案课时作业：必修3 Unit 4 Astronomy：the science of the stars

★ （安徽专用）2014届高考英语一轮复习方案 作业手册（21）模块7 《Unit 21 Human Biology》（含解析） 北师大版必修1

★ 2014高考英语（新人教版）一轮基础训练（1）A、B卷（附答案或解析）