首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
考研
Plastic is the panacea of the ages. Nearly every man-made object (1)_____ (2)_____ of, or at least (3)_____ its very structure,
Plastic is the panacea of the ages. Nearly every man-made object (1)_____ (2)_____ of, or at least (3)_____ its very structure,
admin
2011-10-20
28
问题
Plastic is the panacea of the ages. Nearly every man-made object (1)_____ (2)_____ of, or at least (3)_____ its very structure, to this wonder compound. Rain slickers, computer terminals, automobile engine parts, coffee cups (and the sugar stirrers too), breast implants, toy soldiers—they are all made up of plastic, or one of its many (4)_____ Since the (5)_____ of civilization, humankind bas been experimenting (6)_____ a multifunctional material—one that had to be equally strong and lightweight—to carry, contain and protect valuables. (7)_____ it could carry, contain and protect humans too, even better. Generations of tinkerers and scientists set off (8)_____ the challenge, striking gold some 170 years ago. By mixing natural rubber with sulphur they created the world’s most utilized material ever. In developing a (9)_____, malleable and durable substance, the most important inventions of the industrial age were to follow shortly thereafter. The automobile and airplane industries, to (10)_____ just two, owe their very existence to plastic. And, (11)_____ celluloid plastic strips, the Lumiere Brothers would never have brought moving pictures to the big screen.
The development of plastic is a story of human (12)_____, ingenuity and luck. (13)_____ the legend now goes, in 1839, the American inventor Charles Goodyear (the famous tyre company would later use his name) was experimenting with the sulphur treatment of natural rubber when he dropped a piece of sulphur-treated rubber on a stove. The heat seemed to give rubber (14)_____ properties. It was stronger, more (15)_____ to abrasions more elastic, much less (16)_____ to temperature, (17)_____ to gases, and highly resistant to chemicals and electric (18)_____ Eyeing this as a cheaply and easily reproduced construction material, a whirlwind of work (19)_____ and the birth of (20)_____ plastic and plastic-derivatives were born from camphor to celluloid to rayon; cellophane, polyvinyl chloride (or PVC); styrofoam and nylon were soon to follow.
选项
A、sensitive
B、agile
C、susceptive
D、acute
答案
A
解析
sensitive与to搭配表示"对…敏感",符合句意。agile(灵活的,敏锐的),susceptive(易遭受…的),acute(急性的,锐利的)。
转载请注明原文地址:https://kaotiyun.com/show/h3p4777K
0
考研英语一
相关试题推荐
HeAalsoconceivedthatthesolarsystemandtheuniverseBwouldcomeintoexistenceCbyanaturalprocessandDwoulddisappear
Althoughthetotalpercentageofdailysmokersisfallinginmostcountries,anewinternationalstudyshowsthatsixpeopledie
WilliamAppleton,authorofthebookentitledFathersandDaughters,believesthatitisaWoman’srelationshipwithherfather
Thefollowingparagraphsaregiveninawrongorder.ForQuestions41-45,youarerequiredtoreorganizetheseparagraphsintoa
Whatcanbeinferredfromthefirstparagraph?GoldmanmightlearnalessonfromGoogle’sdealthat
Portabledevicesarebecominglighterandmoreappealing.Booksarebeing(1)_____intodigitalformbythethousands.Themost
Studythefollowingdrawingcarefullyandwriteanessayinwhichyoushould1)describethedrawing,2)interpretitsm
WriteanessaybasedonthefollowingtableontheproductionofTVsetsinafactory.Youshouldwriteabout160-200wordsneat
Youaregoingtoreadatextaboutdifferenttypesoffriendship,followedbyalistofexamples.Choosethebestexamplefromt
Youaregoingtoreadatextaboutdifferenttypesoffriendship,followedbyalistofexamples.Choosethebestexamplefromt
随机试题
下列关于语义民族性的表述中,正确的一项是
认识过程的第二次飞跃是()
男性,3岁。发热3天,鼻塞流涕,眼睑红赤,泪水汪汪,口腔颊黏膜见有一细小白色疹点,周围红晕,舌苔薄黄。治疗应首选()
患者低热,头晕眼花,心悸不宁,面白少华,唇甲淡白,舌质淡,脉细。其治法是
某民用机场飞行区指标为4D,甲施工单位中标该机场停机坪扩建工程,该工程为不停航施工。建设单位要求施工单位按照绿色施工的要求合理掌握施工节奏,采取措施保障飞行安全、施工安全,并制定防尘降噪、建筑垃圾处理等措施。施工单位制作了绿色施工专项方案,并对施工中需使用
以下属于使用中的固定资产的有()。
利润表中的营业利润是由()等因素构成的。
近代中国成立的第一家旅行社是现代旅行社。()
简述人的身心发展的主要特点及对教育的制约。
A、Blue.B、Black.C、Brown.D、Green.CWhatcolordidthemanpreferforhishat?
最新回复
(
0
)