国家开放大学(电大)理工英语4单元自测4

1、一、选择填空：阅读卞面的对话或句子，从A、B、C三个选项中选出一个能填入空白处的 最佳选项。题目1 Do you like that technology exhibition?Yesz I like it very muchB. It shows me the impressive magic power of 3D printing.题目2 3D printing is one of the latest technological innovations.Maybe its functions are questi on able A. Really?正确题目3 Do you prefe

2、r a portable or a clumsy 3D printer?C I prefer a portable one to a clumsy one.题目4Touch-3D maps help the blind too muchA. responsive 正确题目5This 3D printer was designedproduce snacksA. to正确题目6二、阅读理解：阅读卞面的短文，根据文章内容进行判断，正确为“T”，错误为“F”。 Passage 1 (教材课文原文)"The printer did not always manage to spread th

3、e plastic evenly, making some of the ribs of the honeycomb structure of the block unevereported ARN (Australian Radio Network) to the surprise of no one who has used a 3D printer. But the architects remain optimistic The first few printed blocks are meant to be test pieces as they improve the proces

4、sIt takes about a week to print a 3-meter high block right now The project's leaders hope to eventually get that down to two hours and finish the first of 12 rooms in a year; and the entire house in less than 3 yearsUltimately, 3D Print Canal House is an architectural research project, one that

5、is very much being con ducted in the public eye: you can actually buy tickets to visit the con structio n site for 2.50 Euros.The top floors will become more ornate, for example, as newer techniques are incorporated. They,ll explore the possibilities of 3D printing, like the honeycomb walls or an en

6、tire room recycled, redesigned, and built anew. Nobody's going to move into a 3D printed house soon, but, if anyone ever does, something might be learned from this experiment by the canal.1. According to the passage, the 3D printer can type with plastic evenly.2. This 3D printer printed some blo

7、cks to test its work3. The project's leaders will finish the entire house in less than 3 years4. 3D Print Canal House is printed to live5. The canal house will be decorated more解析：1. F2. T3. F4F5.T一、选择填空：阅读下面的对话或句子，从A、B、C三个选项中选出一个能填入空白处的 最佳选项。题目1 What do you want to be?C I would study computer s

8、cienee than dancer.题目2They are testing the 3D printer. Don't you come and see it?What?A. Where is it displayed?正确题目43D printing is just at the beginning stage It is notA. mature 正确题目53D prin ters have spread from labs to in dustrial factories, they are being cheaper andcheaper.A. so正确题目6二、阅读理解：阅

9、读卞面的对话，选择合适的内容将对话补充完整。Michael: They are testing the 3D printer. Don't you come and see it?Lucas: What? Never heard of it.Michael: It is one of the most latest tech no logical inno vations Lucas: Really?回答Michael: Come on! You should learn to be openmindedLucas:回答Michael: The 3D printing technolo

10、gy could be used in construction, engineering, biomedicine, and many other fields .It can print any thing, a house, a car, eve n a liver!Lucas: That car/t be true I will never believe thisMichael:回答.All these will be absolutely carried out by 3D printers There's a company called NaturalMachines

11、has introduced a 3D printer for food producingLucas: I guess that there are a lot of procedures involved in this process So this printer must be very big.Michael:回答 It can print all kinds of dessert and starter.Lucas: Is it expensive?Michael:回答A. It is about $.1,000B. Maybe its functions are questio

12、nableC It is really trueD What are the main functions of it?E. In fact, it is as big as an oven解析：1. B2. D3. C4. E5. A题目4She's not very optimisticthe development of 3D printing.B. about 正确题目4There arecalls for lawmakers to consider copyright laws.B in creasing题目5Some one inv ented the 3D printer

13、 many years ago,I don't remember who B. but题目5the new law is used one day, I hope it will not punish people using 3D printers for personal purposes.C. If题目4Flowers grow well in a warm climate Similarly, technologyin a harm on ious society.C flourishes题目5She's been interested in computer scie

14、nceshe was eight.B. since 正确题目6二、阅读理解：阅读卞面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。 In the grass, a baby duck was hatched （孵化）out in a college biology lab with a backward left foot. At the time, it probably wouldn' t have survived, if Mike Gary didn' t recommend a proper operation to cut off that bad f

15、oot.Mon ths after the healing process, engi neers at Novacopy Compa ny produced a 3D printed model that would be used to create a prosthetic （修复的）foot for the duck. Considering that ABS plastics were not flexible enough for this type of exercise, the Novacopy company made a three-dimensionally model

16、ed foot made of silicone, with the hope to create a permanent prosthesis（假肢）for the duck.It took just 13 hours to produce This 3D prosthesis dem on strated the 3D technologies can be used not only for human application，but also in foreign subjects such as animals and other medical treatments.1. Where was the baby duck hatched out?回答正确A. In a college biology lab.2. What was wrong with the baby duck?回答正确B. It was born with a backward left foot.3. Could ABS plastics be used to produce a 3D printed model that would be used to create a prosthetic foot for the duck?回答正确A. No, because ABS plastic