1、06大学英语六级考试真题第二套2017年06月大学英语六级考试真题(第2套)Part I Writing (30 minutes)Directions: Suppose you are asked to give advice on whether to attend college at home or abroad, write an essay to state your opinion. You are required to write at least 150 words but no more than 200 words.Part II Listening Comprehens
2、ion说明：2017年6月大学英语六级真题全国共考了两套听力。本套（即第三套）的听力材料与第一套完全一样，只是选项的顺序不同而已，故本套不再重复给出。Part III Reading Comprehension (40 minutes)Section ADirections: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank following the
3、 passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. Please mark the corresponding letter for each item on Answer Sheet 2 with a single line through the centre. You may not use any of the words in the bank more than once.Half of
4、your brain stays alert and prepared for danger when you sleep in a new place, a study has revealed. This phenomenon is often _26_ to as the “first-night-effect”. Researchers from Brown University found that a network in the left hemisphere of the brain “remained more active” than the network in the
5、right side of the brain. Playing sounds into the right ears (stimulating the left hemisphere) of _27_ was more likely to wake them up than if the noises were played into their left ear.It was _28_ observed that the left side of the brain was more active during deep sleep. When the researchers repeat
6、ed the laboratory experiment on the second and third nights they found the left hemisphere could not be stimulated in the same way during deep sleep. The researchers explained that the study demonstrated when we are in a _29_ environment the brain partly remains alert so that humans can defend thems
7、elves against any _30_ danger.The researchers believe this is the first time that the “first-night-effect” of different brain states has been _31_ in humans. It isnt, however, the first time it has ever been seen. Some animal _32_ also display this phenomenon. For example, dolphins, as well as other
8、 _33_ animals, shut down one hemisphere of the brain when they go to sleep. A previous study noted that dolphins always _34_ control their breathing. Without keeping the brain active while sleeping, they would probably drown. But, as the human study suggest, another reason for dolphins keeping their
9、 eyes open during sleep is that they can look out for _35_ while asleep. It also keeps their physiological processes working.A) classified B) consciously C) dramatically D) exotic E) identifiedF) inherent G) marine H) novel I) potential J) predatorsK) referred L) species M) specifically N) varieties
10、 O) volunteersSection BDirections: In this section, you are going to read a passage with ten statements attached to it. Each statement contains information given in one of the paragraphs. Identify the paragraph from which the information is derived. You may choose a paragraph more than once. Each pa
11、ragraph is marked with a letter. Answer the questions by marking the corresponding letter on Answer Sheet 2.Elite Math Competitions Struggle to Diversify Their Talent PoolA Interest in elite high school math competitions has grown in recent years, and in light of last summers . win at the Internatio
12、nal Math Olympiad (IMO)-the first for an American team in more than two decadesthe trend is likely to continue.B But will such contests, which are overwhelmingly dominated by Asian and white students from middle-class and affluent families, become any more diverse? Many social and cultural factors p
13、lay roles in determining which promising students get on the path toward international math recognition. But efforts are in place to expose more black, Hispanic, and low-income students to advanced math, in the hope that the demographic pool of high-level contenders will eventually begin to shift an
14、d become less exclusive.C “The challenge is if certain types of people are doing something, its difficult for other people to break into it,” said Po-Shen Loh, the head coach of last years winning . Math Olympiad team. Participation grows through friends and networks and if “you realize thats how th
15、eyre growing, you can start to take action” and bring in other students, he said.D Most of the training for advanced-math competitions happens outside the confines of the normal school day. Students attend after-school clubs, summer camps, online forums and classes, and university-based “math circle
16、s”, to prepare for the competitions.E One of the largest feeders for high school math competitionsincluding those that eventually lead to the IMOis a middle school program called Math Counts. About 100,000 students around the country participate in the programs competition series, which culminates i
17、n a national game-show-style contest held each May. The most recent one took place last week in Washington, . Students join a team through their schools, which provide a volunteer coach and pay a nominal fee to send students to regional and state competitions. The 224 students who make it to the nat
18、ional competition get an all-expenses- paid trip.F Nearly all members of last years winning . IMO team took part in Math Counts as middle school students, as did Loh, the coach. “Middle school is an important age because students have enough math capability to solve advanced problems, but they haven
19、t really decided what they want to do with their lives,” said Loh. “They often get hooked then.”G Another influential feeder for advanced-math students is an online school called Art of Problem Solving, which began about 13 years ago and now has 15,000 users. Students use forums to chat, play games,
20、 and solve problems together at no cost, or they can pay a few hundred dollars to take courses with trained teachers. According to Richard Rusczyk, the company founder, the six . team members who competed at the IMO last year collectively took more than 40 courses on the site. Parents of advanced- m
21、ath students and Math Counts coaches say the children are on the website constantly.H There are also dozens of summer campsmany attached to universitiesthat aim to prepare elite math students. Some are pricey-a three-week intensive program can cost $4,500 or morebut most offer scholarships. The Math
22、 Olympiad Summer Training Program is a three-week math camp held by the Mathematical Association of America that leads straight to the international championship and is free for those who make it. Only about 50 students are invited based on their performance on written tests and at the USA Math Olym
23、piad.I Students in university towns may also have access to another lever for involvement in accelerated math: math circles. In these groups, which came out of an Eastern European tradition of developing young talent, professors teach promising K-12 students advanced mathematics for several hours af
24、ter school or on weekends. The Los Angeles Math Circle, held at the University of California, Los Angeles, began in 2007 with 20 students and now has more than 250. “These math circles cost nothing, or theyre very cheap for students to get involved in, but you have to know about them,” said Rusczyk.
25、 “Most people would love to get students from more underserved populations, but they just cant get them in the door. Part of it is communication; part of it is transportation.”J Its no secret in the advanced-math community that diversity is a problem. According to Mark Saul, the director of competit
26、ions for the Mathematical Association of America, not a single African-American or Hispanic student-and only a handful of girls-has ever made it to the Math Olympiad team in its 50 years of existence. Many schools simply dont prioritize academic competitions. “Do you know who we have to beat?” asked
27、 Saul. “The football team, the basketball team-thats our competition for resources, student time, attention, school dollars, parent efforts, school enthusiasm.”K Teachers in low-income urban and rural areas with no history of participating in math competitions may not know about advanced-math opport
28、unities like Math Countsand those who do may not have support or feel trained to lead them.L But there are initiatives in place to try to get more underrepresented students involved in accelerated math. A New York City-based nonprofit called Bridge to Enter Mathematics runs a residential summer prog
29、ram aimed at getting underserved students，mostly black and Hispanic, working toward math and science careers. The summer after 7th grade, students spend three weeks on a college campus studying advanced math for seven hours a day. Over the next five years, the group helps the students get into other
30、 elite summer math programs, high-performing high schools, and eventually college. About 250 students so far have gone through the program, which receives funding from the Jack Kent Cooke Foundation.M “If you look at a lot of low-income communities in the United States, there are programs that are s
31、erving them, but they re primarily centered around Lets get these kids grades up, and not around Lets get these kids access to the same kinds of opportunities as more-affluent kids,” said Daniel Zaharopol, the founder and executive director of the program. “Were trying to create that pathway.” Stude
32、nts apply to the program directly through their schools. “We want to reach parents who are not plugged into the system,” said Zaharopol.N In the past few years, Math Counts added two new middle school programs to try to diversify its participant pool-the National Math Club and the Math Video Challenge. Schools or teachers who sign up for the National Math Club receive a kit full of activities and resources, but theres no special teacher training and no competition attached.O The Math Video Challenge is a competition, but a co
