中考英语科技前沿探索单选题40题

中考英语科技前沿探索单选题40题
1. The new AI - powered robot can ______ complex tasks with high efficiency.
A. carry out
B. carry on
C. carry off
D. carry away
答案解析：A。

carry out表示执行、完成，在这里指人工智能驱动的机器人能够高效地执行复杂任务。

carry on表示继续进行；carry off表示成功完成（困难的事情），常指赢得奖品等；carry away表示拿走、使失去自制力，这几个选项不符合句子语境，所以选A。

2. In space exploration, astronauts often use ______ to communicate with the Earth station.
A. satellites
B. telescopes
C. rockets
D. spaceships
答案解析：A。

satellites卫星，在太空探索中，宇航员经常利用卫星与地球站进行通讯。

telescopes望远镜，主要用于观测天体，不是用于通讯；rockets火箭，主要用于发射航天器等；spaceships宇宙飞船，主要用于载人或运输货物到太空，不是通讯工具，所以选A。

3. With the development of 5G technology, the ______ of data has
been greatly improved.
A. transfer
B. transform
C. translate
D. transport
答案解析：A。

transfer有传输的意思，5G技术的发展大大提高了数据的传输速度。

transform表示使改变形态；translate表示翻译；transport表示运输（人或货物等），这里说的是数据的传输，所以选A。

4. Scientists are trying to ______ new energy sources to reduce pollution.
A. discover
B. invent
C. find
D. create
答案解析：A。

discover发现，科学家试图发现新能源以减少污染，这里强调发现原本就存在但未被发现的事物。

invent表示发明，侧重于创造出以前没有的东西；find找到，强调结果；create创造，通常指创造出全新的东西，新能源是原本存在等待发现的，所以选A。

5. The latest quantum computer can calculate ______ faster than traditional computers.
A. very
B. much
C. more
D. quite
答案解析：B。

much可以用来修饰比较级，表示程度上“……得多”，在这里指量子计算机比传统计算机计算快得多。

very、quite不能修饰比较级；more本身是比较级形式，不能用来修饰比较级，所以选B。

6. In the field of biotechnology, ______ is used to modify genes.
A. RNA
B. DNA
C. ATP
D. ADP
答案解析：A。

在生物技术领域，RNA（（核糖核酸）可用于基因修饰。

DNA（（脱氧核糖核酸）是遗传信息的载体，但这里说的是用于基因修饰的是RNA；ATP（（三磷酸腺苷）是一种能量物质；ADP（（二磷酸腺苷）与能量转换有关，所以选A。

7. The self - driving car ______ sensors to detect obstacles.
A. depends on
B. decides on
C. focuses on
D. bases on
答案解析：A。

depend on表示依靠、依赖，自动驾驶汽车依靠传
感器来探测障碍物。

decide on表示决定；focus on表示集中于；base on表示基于，这里说的是汽车依靠传感器，所以选A。

8. Virtual reality (VR) technology allows people to ______ in a simulated environment.
A. live
B. exist
C. experience
D. stay
答案解析：C。

experience体验，虚拟现实（VR）技术允许人们在模拟环境中体验。

live居住、生活；exist存在；stay停留，这里强调的是体验模拟环境，所以选C。

9. The new solar panel has a higher ______ rate, which can convert more sunlight into electricity.
A. efficiency
B. effect
C. effort
D. equality
答案解析：A。

efficiency效率，新的太阳能电池板有更高的效率，能将更多的阳光转化为电能。

effect效果、影响；effort努力；equality 平等，这里说的是转化效率，所以选A。

10. Scientists are researching on ______ to make robots more intelligent.
A. algorithms
B. regulations
C. organizations
D. applications
答案解析：A。

algorithms算法，科学家正在研究算法以使机器人更智能。

regulations规定；organizations组织；applications应用，这里说的是让机器人更智能的研究对象是算法，所以选A。

11. With the development of artificial intelligence, many jobs __________ by robots in the future.
A. are replaced
B. were replaced
C. will be replaced
D. have been replaced
答案：C。

解析：本题考查一般将来时的被动语态。

根据句中的in the future可知是将来的时间，句子的主语jobs和replace之间是被动关系，即工作被机器人取代，A选项是一般现在时的被动语态，B 选项是一般过去时的被动语态，D选项是现在完成时的被动语态，均不符合题意，所以选C。

12. The Internet __________ people's lives greatly since it was invented.
A. has changed
B. changed
C. changes
D. was changing
答案：A。

解析：本题考查现在完成时。

句中有since引导的时间状语从句，since引导的从句用一般过去时，主句要用现在完成时，表示从过去某个时间开始一直持续到现在的动作或状态，B选项是一般过去时，C选项是一般现在时，D选项是过去进行时，都不符合题意，所以选A。

13. Mobile phones __________ everywhere in our daily life now.
A. use
B. are used
C. were used
D. used
答案：B。

解析：本题考查一般现在时的被动语态。

句中的now 表明是现在的情况，mobile phones和use之间是被动关系，即手机被使用，A选项是主动形式，C选项是一般过去时的被动语态，D选项是一般过去时，所以选B。

14. Because of high - tech products, people __________ more time to relax these days.
A. have
B. had
C. will have
D. are having
答案：A。

解析：本题考查一般现在时。

句中的these days表示现在的时间段，句子描述的是现在的一种状态，即人们有更多时间放松，B选项是一般过去时，C选项是一般将来时，D选项是现在进行时，都不符合题意，所以选A。

15. A lot of new factories __________ in this area in the past few years.
A. have been built
B. were built
C. are built
D. had been built
答案：A。

解析：本题考查现在完成时的被动语态。

句中的in the past few years是现在完成时的标志，factories和build之间是被动关系，即工厂被建造，B选项是一般过去时的被动语态，C选项是一般现在时的被动语态，D选项是过去完成时的被动语态，所以选A。

16. The new technology __________ to improve the environment last year.
A. uses
B. used
C. was used
D. is used
答案：C。

解析：本题考查一般过去时的被动语态。

句中的last year表明是过去的时间，technology和use之间是被动关系，即新技术被用来改善环境，A选项是一般现在时的主动形式，B选项是一般
过去时的主动形式，D选项是一般现在时的被动语态，所以选C。

17. As science and technology __________, our living standards are getting higher.
A. develop
B. develops
C. developed
D. have developed
答案：A。

解析：本题考查一般现在时。

as引导的从句表示随着科学技术的发展，这里表示一种客观事实，用一般现在时，主语science and technology是复数概念，B选项是第三人称单数形式，C选项是一般过去时，D选项是现在完成时，所以选A。

18. In the future, more and more people __________ to work from home because of the development of network technology.
A. will be allowed
B. are allowed
C. were allowed
D. have been allowed
答案：A。

解析：本题考查一般将来时的被动语态。

句中的in the future表明是将来的时间，people和allow之间是被动关系，即人们被允许在家工作，B选项是一般现在时的被动语态，C选项是一般过去时的被动语态，D选项是现在完成时的被动语态，所以选A。

19. The new app __________ by thousands of people since it was
launched last month.
A. has been downloaded
B. was downloaded
C. is downloaded
D. had been downloaded
答案：A。

解析：本题考查现在完成时的被动语态。

句中有since 引导的时间状语从句，since引导的从句用一般过去时，主句要用现在完成时，app和download之间是被动关系，即应用被下载，B选项是一般过去时的被动语态，C选项是一般现在时的被动语态，D选项是过去完成时的被动
21. The research shows that the new technology, which is based on artificial intelligence, ______ improve the efficiency of production.
A. can
B. must
C. should
D. might
答案解析：A。

本题考查从句中的主谓一致以及情态动词的用法。

句子“The research shows that the new technology, which is based on artificial intelligence, ______ improve the efficiency of production.”中，“that the new technology...improve the efficiency of production”是宾语从句，其中“which is based on artificial intelligence”是定语从句修饰“the new technology”。

在这个宾语从句中，主语“the new technology”是单
数第三人称，根据句子语境，表达这种新技术能够提高生产效率，“can”表示能力，所以选A。

22. Scientists believe the device ______ they have developed will play an important role in exploring the deep sea.
A. who
B. which
C. what
D. where
答案解析：B。

在句子“Scientists believe the device ______ they have developed will play an important role in exploring the deep sea.”中，“the device ______ they have developed”是一个定语从句结构，先行词“the device”是物，在从句中作宾语，关系代词用“which”或者“that”，这里选项中只有“which”，所以选B。

“who”用于指人，“what”不能引导定语从句，“where”在定语从句中作状语。

23. The theory ______ we learned yesterday states that energy can be transformed from one form to another.
A. that
B. when
C. where
D. why
答案解析：A。

在句子“The theory ______ we learned yesterday states that energy can be transformed from one form to another.”中，“______ we
learned yesterday”是定语从句修饰“the theory”，先行词“the theory”在从句中作宾语，关系代词用“that”或者“which”，这里用“that”，所以选A。

“when”在定语从句中作时间状语，“where”作地点状语，“why”作原因状语。

24. In the report, it is mentioned that the material, whose properties are very special, ______ used in many high - tech products.
A. is
B. are
C. was
D. were
答案解析：A。

在句子“In the report, it is mentioned that the material, whose properties are very special, ______ used in many high - tech products.”中，“that the ed in many high - tech products”是宾语从句，其中“whose properties are very special”是定语从句修饰“the material”。

在宾语从句中，主语“the material”是单数，句子描述的是一般情况，所以用一般现在时的“is”，选A。

25. The project, in which many scientists are involved, ______ to find
a new solution to environmental problems.
A. aims
B. aim
C. aiming
D. aimed
答案解析：A。

在句子“The project, in which many scientists are involved, ______ to find a new solution to environmental problems.”中，“in which many scientists are involved”是定语从句修饰“the project”。

句子的主语是“the project”，是单数第三人称，句子表达的是这个项目的目的，用一般现在时，所以谓语动词用“aims”，选A。

26. The discovery that scientists made last year ______ a great impact on the development of modern medicine.
A. has
B. have
C. had
D. having
答案解析：A。

在句子“The discovery that scientists made last year ______ a great impact on the development of modern medicine.”中，“that scientists made last year”是定语从句修饰“the discovery”。

句子的主语是“the discovery”，是单数，句子描述这个发现对现代医学发展有影响，这种影响从去年持续到现在，用现在完成时，所以选A。

27. The machine, which is made up of many parts, ______ carefully before it is put into use.
A. must be checked
B. must check
C. must been checked
D. must to be checked
答案解析：A。

在句子“The machine, which is made up of many parts, ______ carefully before it is put into use.”中，“which is made up of many parts”是定语从句修饰“the machine”。

句子的主语“the machine”和“check”之间是被动关系，表示机器必须被检查，所以用被动语态“must be checked”，选A。

28. The data ______ we collected from the experiment will be used to analyze the new phenomenon.
A. that
B. who
C. whom
D.
31. In international science and technology cooperation, when presenting research results in the United States, it is common to use a lot of visual aids. Which of the following is the most important reason for this?
A. Americans like to show off their creativity through visual aids
B. Visual aids can make the presentation more vivid and easier to understand
C. It is a tradition in the US scientific community to use a large number of visual aids
D. To attract more attention from the audience
答案：B。

解析：在美国的科技交流中，使用大量视觉辅助工具主要是因为这样可以使展示更加生动且易于理解。

视觉辅助工具能够
将抽象的研究成果以直观的方式呈现出来，有助于听众更好地理解复杂的科技内容，而不是为了炫耀创造力或者单纯吸引观众注意力，也不是仅仅因为是传统才这样做。

32. When attending an international science and technology conference in Japan, which of the following behaviors is considered polite?
A. Speaking loudly to show your enthusiasm
B. Being quiet and listening carefully most of the time
C. Interrupting others frequently to ask questions
D. Standing up and walking around during the speech
答案：B。

解析：在日本参加国际科技会议时，安静并认真倾听大部分时间是被认为礼貌的行为。

日本文化注重谦逊、尊重他人，大声喧哗、频繁打断他人讲话或者在演讲期间随意走动都是不礼貌的行为。

33. What does "STEM" in international science and technology education stand for?
A. Science, Technology, Engineering, Mathematics
B. Science, Teaching, Energy, Machinery
C. Society, Technology, Economy, Management
D. Space, Technology, Ecology, Medicine
答案：A。

解析：在国际科技教育中，STEM代表科学（（Science）、技术（（Technology）、工程（（Engineering）和数学（（Mathematics）。

这是一个广泛应用于教育领域，旨在培养综合科技素养人才的概念。

34. In some European countries, when scientists exchange ideas in a small - group discussion, which of the following is often emphasized?
A. Hierarchy, and senior scientists speak first
B. Equality, and everyone has an equal chance to speak
C. Gender, and female scientists speak first
D. Age, and the youngest scientist speaks first
答案：B。

解析：在一些欧洲国家，在小组讨论中交流想法时往往强调平等，每个人都有平等的发言机会。

欧洲文化中比较注重平等交流的价值观，不像有些文化会强调等级、性别或者年龄等因素来决定发言顺序。

35. The abbreviation "AI" is very common in the field of science and technology. What does it mean?
A. Automatic Intelligence
B. Artificial Intelligence
C. Advanced Information
D. Abstract Idea
答案：B。

解析：在科技领域，AI是“人工智能（Artificial Intelligence）”的缩写。

这是目前科技领域非常热门的概念，指计算机系统能够执行通常需要人类智能才能完成的任务。

36. When having a scientific cooperation project with Germany, which of the following communication styles is more appropriate?
A. Being very direct and straightforward in expressing opinions
B. Using a lot of euphemisms to avoid offending others
C. Talking in a round - about way to show politeness
D. Only expressing positive opinions to maintain harmony
答案：A。

解析：与德国进行科研合作项目时，表达意见非常直接和坦率的沟通方式更合适。

德国文化比较注重效率和清晰的表达，直接表达观点有助于高效地进行合作交流，而不是使用大量委婉语或者迂回的方式，也不是只表达正面意见。

37. What does "VR" stand for in the field of science and technology?
A. Virtual Reality
B. Visual Reality
C. Variable Resistance
D. Vibration Reduction
答案：A。

解析：在科技领域，VR代表“虚拟现实（（Virtual Reality）”，这是一种通过计算机技术创建的模拟环境，使用户能够体验到身临其境的感觉。

38. In international high - tech product exhibitions, in South Korea, which color is often used to represent high - tech and innovation?
A. Red
B. Blue
C. Green
D. Black
答案：B。

解析：在韩国的国际高科技产品展览中，蓝色经常被
用来代表高科技和创新。

蓝色在韩国文化中常与现代、科技、冷静等概念相关联，而红色更多与热情活力相关，绿色与环保相关，黑色与庄重神秘相关。

39. What does "5G" mean in the field of communication technology?
A. Fifth - Generation
B. Five Goals
C. Five Groups
D. Five Generators
答案：A。

解析：在通信技术领域，5G表示“第五代（Fifth -。