浙江专用2020版高考英语大一轮新优化复习考点强化练21Unit1Greatscientists新人教版必修520190118114.doc
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1、1Unit 1 Great scientists .阅读理解(2018天津)Theres a new frontier in 3D printing thats beginning to come into focus:food.Recent development has made possible machines that print,cook,and serve foods on a mass scale.And the industry isnt stopping there.Food productionWith a 3D printer,a cook can print comp
2、licated chocolate sculptures and beautiful pieces for decoration on a wedding cake.Not everybody can do thatit takes years of experience,but a printer makes it easy.A restaurant in Spain uses a Foodini to “re-create forms and pieces” of food that are “exactly the same,” freeing cooks to complete oth
3、er tasks.In another restaurant,all of the dishes and desserts it serves are 3D-printed,rather than farm to table.Sustainability(可持续性)The global population is expected to grow to 9.6 billion by 2050,and some analysts estimate that food production will need to be raised by 50 percent to maintain curre
4、nt levels.Sustainability is becoming a necessity.3D food printing could probably contribute to the solution.Some experts believe printers could use hydrocolloids (水解胶体) from plentiful renewables like algae (藻类) and grass to replace the familiar ingredients (烹饪原料).3D printing can reduce fuel use and
5、emissions.Grocery stores of the future might stock “food” that lasts years on end,freeing up shelf space and reducing transportation and storage requirements.NutritionFuture 3D food printers could make processed food healthier.Hod Lipson,a professor at Columbia University,said,“Food printing could a
6、llow consumers to print food with customized nutritional content,like vitamins.So instead of eating a piece of yesterdays bread from the supermarket,youd eat something baked just for you on demand.”ChallengesDespite recent advancements in 3D food printing,the industry has many challenges to overcome
7、.Currently,most ingredients must be changed to a paste (糊状物) before a printer can use them,and the printing process is quite time-consuming,because ingredients interact with each other in very complex ways.On top of that,most of the 3D food printers now are restricted to dry ingredients,because meat
8、 and milk products may easily go bad.Some experts are skeptical about 3D food printers,believing they are better suited for fast food restaurants than homes and high-end restaurants.2【语篇导读】本文是一篇说明文。文章主要介绍了一项新的 3D食物打印技术,包括食物打印的省时高效的特点、所使用的原料的可持续性、提供顾客所需要的营养以及目前技术推广面临的挑战等。1.What benefit does 3D printi
9、ng bring to food production?A.It helps cooks to create new dishes.B.It saves time and effort in cooking.C.It improves the cooking conditions.D.It contributes to restaurant decorations.答案 B解析 细节理解题。根据第二段第一、二句可知,一名厨师需要有多年的经验积累才能在婚礼蛋糕上装饰出复杂的图案,但一台 3D打印机可以很容易就做到。由此可知,3D 打印技术在食品制作方面节省了时间和精力。故选 B项。2.What
10、can we learn about 3D food printing from Paragraph 3?A.It solves food shortages easily.B.It quickens the transportation of food.C.It needs no space for the storage of food.D.It uses renewable materials as sources of food.答案 D解析 推理判断题。根据第三段第四句可知,专家相信 3D打印机可使用大量的藻类和草等可再生资源形成的水解胶体代替熟知的烹饪原料。故选 D项。3.Acco
11、rding to Paragraph 4,3D-printed food . A.is more available to consumersB.can meet individual nutritional needsC.is more tasty than food in supermarketsD.can keep all the nutrition in raw materials答案 B解析 细节理解题。根据第四段中 Hod Lipson教授的话可知,食品打印使顾客能打印出富含个性化需求所需营养成分的食物。因此,顾客不必吃昨天从超市买来的面包,而是随需烤制。故选 B项。4.What
12、is the main factor that prevents 3D food printing from spreading widely?A.The printing process is complicated.B.3D food printers are too expensive.C.Food materials have to be dry.D.Some experts doubt 3D food printing.答案 C解析 细节理解题。根据第五段第三句“ On top of that,most of the 3D food printers now are restrict
13、ed to dry ingredients”可知,尽管 3D食物打印技术进展迅猛,但所需的大多数打印材料必须是干燥的才能使用,这也就制约了食物打印技术的普及。故选 C项。5.What could be the best title of the passage?3A.3D Food Printing:Delicious New TechnologyB.A New Way to Improve 3D Food PrintingC.The Challenges for 3D Food ProductionD.3D Food Printing:From Farm to Table答案 A解析 主旨大
14、意题。通读全文可知,一项新的 3D打印技术引人瞩目,最新进展有助于大规模食品的打印和服务。故 A项“3D 食物打印:精美可口的新技术”符合题意。.七选五A Spirit Airlines flight just made an emergency landing for an unusual reason and it wasnt due to bad weather or a mechanical problem. 1 Lily Green,36 weeks pregnant(怀孕的),had just boarded the flight in Fort Lauderdale when h
15、er water broke.The airplane quickly turned to New Orleans for an emergency landing. 2 “He did what he wanted,” mother Lily told CNN.“We were just all along for the ride.”Thankfully,a pediatrician(小儿科医生) and nurse were on board to help her give birth. 3 About 10 minutes later,the newborns cries fille
16、d the planes cabin,and the passengers burst into applause(掌声). 4 Measuring in at a healthy 7 pounds and 19 and a half inches long,hes the youngest brother of 11-year-old Jack and 12-year-old Ann.” But heres the best part: 5 Besides Davids free flight from Fort Lauderdale,he can now travel with a gue
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