题目内容
9.In science,people copy ideas from nature or natural processes to solve problems or to create products which will serve a specific purpose to help us.This is called biomimicry and its influence can be seen in many everyday products.We are all familiar with Velcro(魔术贴).It was invented in 1941by a Swiss engineer called George de Medtral,who found some seeds stuck to his dog's hair.Under the microscope,he discovered that these seeds had hooks(钩) on them,so they could easily stick to clothing or hair.He copied this idea and invented Velcro.It was initially unpopular with fashion companies but after it was used by NASA(美国国家航空航天局)to stop items floating in space,it became popular with children'clothing companies.
More recently,swimwear has also been influenced by nature.The Speed to Fastskin,a controversial swimsuit,was seen at the Beijing Olympics and worn by 28of the 33gold medal winners.The technology is based on the rough patterns on a shark's skin,which allows the shark to swim faster.Shark skin also stop bacteria growing on it,so scientists are copying this surface to design cleaner hospitals.
For NASA,protecting astronauts'eyes from the sun's rays and other dangerous radiation is very important.Scients studied how eagles see things clearly.They discovered that a substance called yellow oil in their eyes does the trick.NASA copied this oil and it is now used by astronauts and pilots in Eagle Eyeglasses.In addition to protecting eyes from all the dangerous rays,these sunglasses also help people see more clearly in even poor weather conditions such as fog.
It appears that influence of biomimicry is unlimited,so it will be interesting to see what solutions nature provides us with in the future.
28.George de Mestral invented VelcroC.
A.to challenge fashion companies
B.after he studied his dog's hair
C.after he examined some seeds
D.to satisfy NASA's demand
29.At the Beijing Olympics,the Speedo Fastskin swimsuitA.
A.helped swimmers perform better
B.was recommended by champions
C.received widespread approval
D.made swimmers healthier
30.What make eagles see clearly?D
A.The size of their eyes
B.The shape of their eyes
C.The colour of their eyes
D.The substance of their eyes
31.What's the best title for the text?B
A.The future of biomimicry
B.The magic of biomimicry
C.The purpose of biomimicry
D.The limitation of biomimicry.
分析 本文是说明文.文章介绍了仿生学应用的三个例子.
解答 32.C.细节理解题.根据第二段中的UBderthe microscope,he discovered that these seeds had hooks on them,so they could easily stick to qothi^or hair.He copied this idea and invented Velcro?可知,George de Mestra在研宄了一些植物的种子后获取灵感,发明了魔术贴,故选C.
33.A.推理判断题.根据第三段中的TheSpeedo Fastskin% a controversial swimsuit,was seen at the Beijing Olympics and worn by 28 of the 33 gold medal winners.The technology is based on the rough patterns on a shark's skin,which allows the shark to swim faster 可知,璧鱼皮的纹理使鲨鱼游得更快.由此可推测,运动员穿着 模拟了该纹理的泳衣也应该能游得更快,33名 游泳冠军有28名穿着该泳衣也能说明这一点,故选A.
34.D.细节理解题.根据倒数第二段中的 Scientists studied how eagles see things clearly.They discovered that a substance called yellow oil in their eyes does the trick 可知,鹰眼睛里一 种叫黄油的物质让它们有敏锐的视力,故选D.
35.B.标题归纳题.文章介绍了仿生学应用的三 个例子,通过这几个例子我们可以看出,仿生学的应用就像魔法一样,能解决我们碰到的问题 或启发人们设计出满足某种需求的产品.故选B.
点评 考查学生的细节理解和推理判断能力.做细节理解题时一定要找到文章中的原句,和题干进行比较,再做出正确选择.在做推理判断题时不要以个人的主观想象代替文章的事实,要根据文章事实进行合乎逻辑的推理判断.