2018年12月大学英语六级考试真题第1套Listening Comprehension(30 minutes)Section ADirections:In this section,you will hear two long conversations.At the end of each conversation,youwill hear four questions.Both the conversation and the questions will be spoken only once.After you hear a question,you must choose the best answer from the four choices markedA),B),C)and D).Then mark the corresponding letter on Answer Sheet 1 with asingle line through the centre.Questions 1 to 4 are based on the conversation you have just heard.1.A)It can benefit professionals and non-professionals alike.B)It lists the various challenges physicists are confronting.C)It describes how some mysteries of physics were solvedD)It is one of the most fascinating physics books ever written.2.A)Physicists'contribution to humanity.C)Historical evolution of modern physics.B)Stories about some female physicists.D)Women's changing attitudes to physics.3.A)By exposing a lot of myths in physicsC)By including lots of fascinating knowledge.B)By describing her own life experiences.D)By telling anecdotes about famous professors.4.A)It avoids detailing abstract concepts of physics.B)It contains a lot of thought-provoking questions.C)It demonstrates how they can become physicists.D)It provides experiments they can do themselves.Questions 5 to 8 are based on the conversation you have just heard.5.A)He is too busy to finish his assignment in time.B)He does not know what kind of topic to write on.C)He does not understand the professor's instructions.D)He has no idea how to proceed with his dissertation.6.A)It is too broad.C)It is challenging.B)It is a bit outdated.D)It is interesting.7.A)BiographyC)PhilosophyB)Nature.D)Beauty.8.A)Improve his cumulative grade.C)Stick to the topic assignedB)Develop his reading abilityD)List the parameters first.Section BDirections:In this section,you will hear two passages.At the end of each passage,you will hear threeor four questions.Both the passage and the questions will be spoken only once.After youhear a question,you must choose the best answer from the four choices marked A),B),C)and D).Then mark the corresponding letter on Answer Sheet 1 with a single linethrough the centre.Questions 9 to 11 are based on the passage you have just heard.9.A)The unprecedented high temperature in Greenland.B)The collapse of ice on the northern tip of Greenland.C)The unusual cold spell in the Arctic area in October.D)The rapid change of Arctic temperature within a day.10.A)It has created a totally new climate pattern.B)It will pose a serious threat to many species.C)It typically appears about once every ten years.D)It has puzzled the climate scientists for decades.11.A)Extinction of Arctic wildlife.C)Emigration of indigenous people.B)Iceless summers in the Arctic.D)Better understanding of ecosystems.Questions 12 to 15 are based on the passage you have just heard.12.A)A good start.C)A strong determination.B)A detailed plan.D)A scientific approach.13.A)Most people get energized after a sufficient rest.B)Most people tend to have a finite source of energy.C)It is vital to take breaks between demanding mental tasks.D)It is most important to have confidence in one's willpower14.A)They could keep on working longer.B)They could do more challenging tasks.C)They found it easier to focus on work at hand.D)They held more positive attitudes toward life.15.A)They are part of their natureC)They are related to culture.B)They are subject to change.D)They are beyond control.Section CDirections:In this section,you will hear three recordings of lectures or talks followed by three or fourquestions.The recordings will be played only once.After you hear a question,you mustchoose the best answer from the four choices marked A),B),C)and D).Then mark thecorresponding letter on Answer Sheet 1 with a single line through the centre.Questions 16 to 18 are based on the recording you have just heard.16.A)About half of current jobs might be automated.B)The jobs of doctors and lawyers would be threatened.C)The job market is becoming somewhat unpredictable.D)Machine learning would prove disruptive by 2013.初17.A)They are widely applicable for massive open online courses.B)They are now being used by numerous high school teachers.C)They could read as many as 10,000 essays in a single minute.D)They could grade high-school essays just like human teachers.18.A)It needs instructions throughout the process.B)It does poorly on frequent,high-volume tasks.C)It has to rely on huge amounts of previous data.D)It is slow when it comes to tracking novel things.Questions 19 to 21 are based on the recording you have just heard.19.A)The engineering problems with solar power.B)The generation of steam with the latest technology.C)The importance of exploring new energy sources.D)The theoretical aspects of sustainable energy20.A)Drive trains with solar energy.C)Build a new ten-kilometre railway line.B)Upgrade the city's train facilities.D)Cut down the city's energy consumption.21.A)Build a tank for keeping calcium oxide.C)Recover super-heated steam.B)Find a new material for storing energy.D)Collect carbon dioxide gas.6·3