2019高考英语二轮复习600分策略专题1阅读理解考点3主旨大意题即时巩固.doc
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1、主旨大意题A(2018天津,C)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 complicated chocolate s
2、culptures 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 “recreate forms and pieces” of food that are “exactly the same,” freeing cooks to complete other tasks. In anoth
3、er restaurant,all of the dishes and desserts it serves are 3Dprinted,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 current levels. Susta
4、inability 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 emissions. Gr
5、ocery 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 allow consu
6、mers 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. Curren
7、tly,most ingredients must be changed to a paste(糊状物) before a printer can use them,and the printing process is quite timeconsuming,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 and mil
8、k 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 highend restaurants. 文章大意:本文是一篇科普文章。它主要介绍了3D食物打印机的优点和缺点。What benefit does 3D printing bring to food production? _B_AIt helps cooks to create new d
9、ishes. BIt saves time and effort in cooking. CIt improves the cooking conditions. DIt contributes to restaurant decorations. 解析:推理判断题。根据Food production标题下的第二句“. . . it takes years of experience,but a printer makes it easy. ”知利用3D打印机打印食物省时省力,故答案为B。What can we learn about 3D food printing from Paragra
10、ph 3? _D_AIt solves food shortages easily. BIt quickens the transportation of food. CIt needs no space for the storage of food. DIt uses renewable materials as sources of food. 解析:推理判断题。根据第三段中的renewables知,3D打印机用的是可再生材料,故D项正确。According to Paragraph 4,3Dprinted food _B_. Ais more available to consumer
11、sBcan meet individual nutritional needsCis more tasty than food in supermarketsDcan keep all the nutrition in raw materials解析:推理判断题。根据该段中的“Food printing could allow consumers to print food with customized nutritional content,like vitamins. ”知,3D打印机打印食物可以满足个人的营养需求,故答案为B。What is the main factor that p
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