六级选词填空

　　为了给备战2015年英语六级的考生朋友助力，留学群每天都会为大家准备英语六级选词填空练习题，希望可以借此提高你的阅读水平。今天一起来了解一下纳米技术的前世今生吧。每天练习一题，每天进步不止一点点!

　　2015英语六级选词填空练习：纳米技术

　　Today nanotechnology (纳米技术) is still in a formative phase. Yet it is maturing rapidly. Between 1997 and 2005, investment in nanotech research and development by governments around the world ____36____from $ 432 million to about $ 4. 1 billion, and corresponding industry investment exceeded that of governments by 2005. By 2015, products incorporating nanotech will contribute approximately $1 trillion to the global economy.

　　Descriptions of nanotech typically characterize it purely in terms of the minute size-assemblies between the size of an atom and about 100 molecular diameters (分子直径). 　　That____37____makes it sound as though nanotech is merely looking to use infinitely smaller parts than conventional engineering. But rearranging the atoms and molecules leads to new____ 38____ One sees a transition between the fixed behavior of individual atoms and molecules and the adjustable behavior of collectives. Thus, nanotechnology might better be viewed as the ____39____ of quantum theory (量子论) and other nano specific phenomena to fundamentally control the properties and behavior of matter.

　　The second stage, which began in 2005, focuses on active nanostructures that change their size, shape, conductivity or other properties during use. New drug delivery particles could release therapeutic(治疗的) molecules i...

　　为了给备战2015年英语六级的考生朋友助力，留学群每天为大家更新英语六级选词填空练习题，希望对你备考六级有帮助。每天练习一题，每天进步不止一点点!

　　2015英语六级选词填空练习：社交网络

　　A day after the mobile phone celebrated its 40th birthday, Facebook has produced something that it hopes will make certain of the devices even more useful. On April 4th the giant social network　36　 Home, new software that is designed to give it more prominence on mobile phones powered by Android, an operating system developed by Google.

　　This matters because more and more folk are now accessing social networks from mobile devices rather than from desktop computers and because mobile advertising 　37　 are growing fast, albeit from a low base. Without a robust mobile 　38　 , Facebook could see some of its users siphoned off by rivals born in the mobile era. And it could miss out on a 　39　 massive source of new revenue.

　　There had been 　40　 that Facebook was working on a phone of its own, or at least on a mobile operating system to rival Android or Apple's IOS. But dabbling in hardware at this stage of its development would be a huge risk for Facebook and developing a rival operating system would risk 　41　 Apple and Google, whose mobile platforms have helped power its advertising growth, eMarketer, a research firm, 　41　 Facebook is on track to win 11% of the $13.6 billion likely to be spent around the world on mobile ads this year.

　　Home, which is a group of Facebook apps, avoids both pitfalls. Among other things, it　4...

　　为了给备战2015年英语六级的考生朋友助力，留学群每天为大家更新英语六级选词填空练习题，每天练习一题，每天进步不止一点点!

　　2015英语六级选词填空练习题：Shukla

　　At age 17, as a senior in high school, Kavita Shukla filed for her second　patent: a piece of paper that would transform how food is stored and kept　fresh. Ten years later, her product is being used in 35 countries, has been　called "the 　36 paper" and was recently launched in Whole Foods. Fresh　Paper is infused with organic spices that inhibit 　37 and fungal growth; when stored with produce, it　can keep food fresh two to four times longer than normal--like refrigeration without electricity. The spice mixture comes from an old family recipe passed along by Shukla's grandmother, who once gave it to her after she 　38 drank tap water on a visit to India. "Drink this and you won't get sick," she was told.

　　On Friday, Shukla was joined onstage at the Women in the World Summit in New York by Rula Jebreal, a 　39 and foreign-policy expert at MSNBC (微软全国有线广播电视公司). Jebreal lamented the fact that while the world's farmers actually produce enough food to feed the world's hungry, 13 billion tons of food are lost annually to spoilage. What's more, some 1.6 billion people currently living without　40 to refrigeration struggle to keep their diets healthy. Shukla's company, Fenugreen, which she started in 2010,　41 these people, along with food banks and small-scale farmers. "For so many people, this was about so much more than a piece of paper," she said. "It ...

　　为了给备战2015年6月英语六级的考生助力，留学群每天都将为大家更新英语六级选词填空练习题，希望对您有帮助!

　　2015英语六级选词填空练习：奖励机制

　　Psychologists take opposing views of how external rewards, from warm praise to cold cash, affect motivation and creativity. Behaviorists, who study the relation between actions and their consequences, argue that rewards can __1__ performance at work and school. Cognitive( 认识派的 ) researchers, who study various aspects of mental life, maintain that rewards often destroy creativity by encouraging dependence on __2__ and gifts from others.

　　The latter view has gained many supporters, __3__ among educators. But the careful use of small __4__ rewards speaks creativity in grade school children, suggesting that properly presented inducements( 刺激 ) indeed __5__inventiveness, according to a study in the June Journal of Personality and Social Psychology.

　　“If kids know they’re working for a reward and can focus on a relatively __6__ task, they show the most creativity,” says Robert Eisenberger of the University of Delaware in Newark. “But it’s easy to __7__ creativity by giving rewards for poor performance or creating too much anticipation for rewards.

　　A teacher who continually draws attention to rewards or who hands our high grades for __8__ achievement ends uPwith uninspired students, Eisenberger holds. As an example of the latter point, he notes growing efforts at major universities to tighten grading standards and __9__ failin...

　　英语六级考试已于本月20日落幕，各位同学考得还顺利吗？大家觉得此次英语六级的选词填空题难不难呢？留学群在第一时间为大家整理了本次英语六级考试选词填空真题及答案，一起来回顾一下吧，总结一下自己能拿多少分！留学群预祝大家都能拿到自己理想的成绩!

　　2014年12月英语六级选词填空真题：

　　答案：

　　36.M throne

　　37.C environment

　　38.F notions

　　39.H originally

　　40.N unnaturally

　　41.O urging

　　42.E impact

　　43.I reco

　　2014.12英语六级成绩查询入口

　　2014.12英语六级成绩查询时间

　　英语六级准考证丢了怎么查询成绩

　　大学英语六级成绩单补办流程

　　大学生英语六级考试在2014年12月20日结束，小伙伴们考的怎么样呢?今天留学群为大家带来2014年12月英语六级选词填空真题及答案，跟着小编一起来温故知新吧!会有新的收获哦!

　　真题：

　　答案：

　　36.M throne

　　37.C environment

　　38.F notions

　　39.H originally

　　40.N unnaturally

　　41.O urging

　　42.E impact

　　43.I reco

　　以上就是小编为大家带来的2014年12月英语六级选词填空真题及答案，本网站还有更多关于英语六级真题资料免费为大家提供哦，欢迎大家点击!如果大家喜欢本网站可以按Ctrl+D收藏本网站!

　　考后关注：

　　2014.12英语六级成绩查询

　　英语六级准考证丢了怎么查询成绩

　　英语六级分数线

　　大学生英语六级考试在2104年12月20日结束，小伙伴们考的怎么样呢?选词填空一般是容易得分的热点，你拿到了吗?今天留学群为大家带来2014年12月英语六级选词填空真题及答案，跟着小编一起来温故知新吧!会有新的收获哦!

　　真题：

　　答案：

　　36.M throne

　　37.C environment

　　38.F notions

　　39.H originally

　　40.N unnaturally

　　41.O urging

　　42.E impact

　　43.I reco

　　以上就是小编为大家带来的2014年12月英语六级选词填空真题及答案，本网站还有更多关于英语六级考试的详情信息，欢迎大家点击!如果大家喜欢本网站可以Ctrl+D收藏本网站哦!

　　考后关注：

　　2014.12英语六级成绩查询

　　英语六级准考证丢了怎么查询成绩

　　英语六级分数线

　　12月的英语六级考试已经画上了圆满的句号。留学群为大家带来了2014年12月英语六级考试选词填空真题及答案解析，供大家参考，接下来大家一起来重温下本次英语六级考试吧!

　　真题：

　　答案：

　　36.M throne

　　37.C environment

　　38.F notions

　　39.H originally

　　40.N unnaturally

　　41.O urging

　　42.E impact

　　43.I reco

　　大家按Ctrl+D收藏本站即可第一时间了解最新英语六级考试动态!

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