2017年6月大学英语六级真题试卷（三）
Part I Writing （30 minutes）
Section A
Directions: Suppo 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 III Reading Comprehension （40 minutes）
Section A
Directions: In this ction, there is a passage with ten blanks. You are required to lect one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices.Each choice in the bank is identified by a letter. Plea mark the corresponding letter for each item on Answer sheet 2
with a single line through the center. You may not u any of the words in the bank more than once.
Questions 26 to 35 are bad on the following passage.
Half of 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" .Rearchers from Brown University found that a network in the left hemisphere of the brain "remained more active" than the network in the 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 nois were played into their left ear
It was __28__ 七年级下册英语单词表obrved that the brain was more active during deep sleep. When the rearchers repeated the laboratory experiment on the cond and third nights they found the left hemisphere could not be stimulated in the same way during deep sleep.The rearchers explained that the study demonstrated "when we are in a __29__ environment, the brain partly remains alert so that humans can defend theml
ves against any __30___ 九年级英语danger.
The rearchers believes this is the first time that the 'first-night-effect' of different brain states has been__31__ in humans. It isn't, however, the first time it has ever been en. Some animal ___32___ also display this phenomenon . For example, dolphins,as well as other __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 down.But,as the human study suggest,another reason for dolphins keeping their eyes open during sleep is that they can look out for __35___ while asleep.It also keeps their physiological process working.
vnn
A. classified B. consciously C. dramatically D. exotic
E. identified F. inherent G. marine H. novel
I. potential J. predators K. referred L. species
同位语从句ppt
rervedM. specifically N. varieties O. volunteers
Section B
Directions:In this ction,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 choo a paragraph more than once.Each paragraph is marked with a letter.Answer the questions by marking the corresponding letter on Answer Sheet 2.
轻蔑Elite Math Competitions Struggle to Diversify Their Talent Pool
[A] Interest in elite high school math competitions has grown in recent years, and in light of last summer's U.S. win at the International Math Olympiad—the first for an American team in more than two decades—the trend is likely to continue.
[B] 情侣网名英文But will such contests, which are overwhelmingly dominated by Asian and white stude
homemadents from middle-class and affluent families, become any more diver? Many social and cultural factors play roles in determining which promising students get on the path toward international math recognition. But efforts are in place to expo 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 and become less exclusive.
优能
全球大学排行榜[C] "The challenge is if certain types of people are doing something, it's difficult for other people to break into it," said Po-Shen Loh, the head coach of last year's winning U.S. Math Olympiad team and an associate professor of mathematics at Carnegie Mellon University. Participation grows through friends and networks and if "you realize that's how they're growing, you can start to take action" and bring in other students, he said.
