题目内容
19.The trouble of having to charge(充电)your smartphone for hours a day could become a thing of the past.British scientists have created a material that replaces the screen glass for phones,i-pad and smartwatches,but uses no power----meaning they could be charged weekly.The discovery is important because more than 90percent of a device's battery power illuminates(照明)the screen.
Technology firms have focused on improving battery life.But the British experts say dealing with the main power-using may give better results.Oxford University engineer Dr Peiman Hosseini,who invented the material,told the Sunday Telegraph:"You have to charge smartwatches every night.But if you had smart glass,you could recharge it just once a week."
The invention uses electrical pulses to create displays that require no power and can be viewed even in direct sunlight.Dr Hosseini's company,Bodle Technologies,hopes to have a prototype(样机)in a year.
Battery life is seen as a major obstruction for modern computing and technology.While the power of technology and lifestyle gadgets(小器件)has improved rapidly in recent years,batteries have not kept pace.The success of smart watches,including Apple's version,is thought to depend on solving this problem because few users are willing to charge a watch every day.
Gadget firms are also desperate to solve the problem.
Apple,for example,is investigating using fuel cells to power its phones and laptops,and this year had gained a patent for a system that it claimed could power its gadget for weeks.
In 2012US energy secretary Steven Chu called for a big push to improve batteries,challenging scientists to produce a battery with five times the capacity within five years.
Aside from mobile gadgets,improving battery technology is seen as being key to the success of electric cars,which currently have a limited journey before they must stop to be recharged.
32.Who invented the new material?B
A.Energy secretary.
B.Oxford University engineer.
C.Technology firms.
D.Apple Corps.
33.What can we know about the invention?C
A.It has gained a patent.
B.It is popular with customers.
C.It is a kind of glass.
D.It uses power to charge the phones.
34.The author uses the example of Apple in para7 to showD.
A.what the key to success is
B.why Apple products are popular
C.how often batteries must be recharged
D.how gadget firms are making efforts to improve batteries
35.What can be inferred from the passage?B
A.90% of batteries will be replaced with smart glass.
B.It is likely that mobile phones will be recharged once a week.
C.Scientists are focusing on increasing the number of batteries.
D.Many users are willing to pay more for watches of Apple version.
分析 本文是一篇科教类阅读,属于说明文,主要讲述了新材料的发明以及改进电池的一些方法,告诉我们了每天几个小时不得不向智能手机充电的麻烦可能会成为过去.
解答 32.B.细节理解题.根据Oxford University engineer Dr Peiman Hosseini,who invented the material可知,牛津大学的工程师发明了新材料.故选B.
33.C.推理判断题.根据You have to charge smartwatches every night.But if you had smart glass,you could recharge it just once a week.可知,必须每天晚上充电,但如果你有智能玻璃,你可以每周一次充电.故可知新材料是玻璃.故选C.
34.D.推理判断题.根据Apple,for example,is investigating using fuel cells to power its phones and laptops,and this year had gained a patent for a system that it claimed could power its gadget for weeks.可知,果正在调查使用燃料电池来为其手机和笔记本电脑供电,而且今年已经获得了一个系统的专利,它声称可以为其小工具提供数周的使用权.故可推测出,举此例是为了说明公司是如何努力改进电池的.故选D.
35.B.细节理解题.根据You have to charge smartwatches every night.But if you had smart glass,you could recharge it just once a week可知,未来手机可能能一个星期充一次电.故选B.
点评 本文是一篇科教类阅读,题目涉及多道主旨大意题,细节理解题,推理判断题.做题时学生应仔细阅读原文,把握文章主要内容,联系文章上下文内容并结合所给选项含义,从中选出正确答案,一定要做到有理有据,切忌胡乱猜测.
A. | in terms of | B. | in search of | C. | in view of | D. | in spite of |
A. | whose | B. | who | C. | where | D. | which |