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Believe it or not, optical illusion （错觉) can cut highway crashes. Japan is a case in？ po

Believe it or not, optical illusion (错觉) can cut highway crashes.

Japan is a case in？ point. It has reduced automobile crashes on some roads by nearly 75 percent using a simple optical illusion. Bent stripes, called chevrons (人字形) painted on the roads make drivers think that they are driving faster than they really are, and thus drivers slow down.

Now the American Association Foundation for Traffic Safety in Washington D. C. is planning to repeat Japan's success. Starting next year, the foundation will paint chevrons and other patterns of stripes on selected roads around the country to test how well the patterns reduce highway crashes.

Excessive speed plays a major role in as much as one fifth of all fatal traffic accidents, according to the foundation. To help reduce those accidents, the foundation will conduct its tests in are. as where speed-related hazards are the greatest-curves, exit slopes, traffic circles, and bridges. Some studies suggest that straight, horizontal bars painted across roads can initially cut the average speed of drivers in half. However, traffic often returns to full speed within months as drivers become used to seeing the painted bar.

Chevrons, scientists say, not only give drivers the impression that they are driving faster than they really are but also make a lane spear to be narrower. The result is a longer lasting reduction in highway speed and the number of traffic accidents.

The passage mainly discusses______ .

A．a new way of highway speed control

B．a new pattern for painting highways

C．a new approach to training drivers

D．a new type of optical illusion

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发布时间：2020-10-19

更多“Believe it or not, optical illusion （错觉) can cut highway crashes. Japan is a case in？ po”相关的问题

第1题

It was all too easy, when one was young, to ________ the future in the excitement o

A.disregard

B.neglect

C.memorize

D.believe

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第2题

According to this article, what do these attempts intend to do？A．To give the driver many o

According to this article, what do these attempts intend to do？

A．To give the driver many optical illusions.

B．To make the driver believe that he drives too fast so as to slow down.

C．To scare the driver to drive slower.

D．To remind the driver of overspeed.

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第3题

听力原文：M: I hear the students gave the new teacher an unfair evaluation. W: It depends o

听力原文：M: I hear the students gave the new teacher an unfair evaluation.

W: It depends on which students you talked with.

What can we learn from the conversation？

A．Reactions to the new teacher are different.

B．You should believe what you are told.

C．She thinks the new teacher is good.

D．She thinks that the students are fair.

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第4题

听力原文：A: This is the Pan-American Club. May I help you？B: Yes, I believe you have a lun

听力原文：A: This is the Pan-American Club. May I help you？

B: Yes, I believe you have a luncheon meeting this coming Wednesday. Could you give me some more information about that？

A: Yes, of course. The guest speaker is Professor Miguel Lopez of Guadalajara University, and he'll be lecturing about "The impact of the Oil Crisis on Latin America."

B: Mmm, that sounds very interesting. And when does the meeting begin？

A: Lunch will be served at 12:00, and Professor Lopez will speak at 12:45.

B: is there an admission fee？

A: Yes. The lunch and lecture are $7.50 per person.

B: And do you have any idea when it will end？

A: Oh, I think about two o'clock at the latest.

B: Very well. Thank you very much.

A: You're quite welcome

—Look at the note below.

—You will hear a notice about a luncheon meeting.

1. The Pan-American will have a luncheon meeting this coming 【5】______ , professor Miguel Lopez will make a speech at 【6】______.

2. The admission fee is $【7】______ per person, and the speech will probably end at 【8】______o'clock

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第5题

When might you need to give blood for a personality （个性) test？ The answer is that you ne

When might you need to give blood for a personality (个性) test？ The answer is that you need to do so when you ask for a job.

Some people believe that your blood group hides no secrets. It shows the" real you". And the owners of certain blood groups might be particularly good or bad at certain tasks. This is the very reason why you could be asked to offer your blood group before being given a job.

The new idea was carried out first in Japan and now it had been brought over to other parts of the world. One important business company in Japan is quite special about its needs: "For our office members, we must have 30 percent of group A and 15 percent of AB, 25 percent of O and 30 percent of B.

Do you happen to know your own blood groups？ It seems that if you belong to blood group O, you can get things done and sell the goods well. Blood group A are the thinkers, while blood group B are highly creative (创造力的). And if you have problems, ask the ABs to solve them. So if you visited the Japanese company, you would find the O types out selling goods and A types keeping orders in the office.

According to the passage, ________.

A．four types of the blood were discovered by Japan

B．people of good blood might do their work very well

C．knowing your own blood group you could get a good idea

D．more and more countries accepted the new idea about blood group

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第6题

A) scrape B) scratch C) explore D) exploited E) consent F) consultant G) bribe H) positively

A) scrape

B) scratch

C) explore

D) exploited

E) consent

F) consultant

G) bribe

H) positively

I) exchange

J) investigation

K) accounting

L) undiscovered

M) unveiled

N) shielded

O) negatively

In the past several years, many news stories about corporate greed have come to surface. The illegal practices of some executives have(1)impacted our economy. What makes this worse is that these executives seem to have the(2)of some political leaders. Some of the executives even(3)lawmakers. Recently a member of Congress from California was caught demanding gifts from interest groups in(4)for supporting new laws. A few top leaders in the government are under(5)for illegal activities. This doesn't even(6)the surface of the problem. A few years back a company made many purposeful(7)errors to fool investors. Many believe that one reason the problem became so big was that our nation's top leaders(8)the company. By the time the truth was(9), many innocent people had lost their entire savings. There seems to be more and more companies that(10)the public's trust for their own interests. This calls for laws and strict regulations to put the illegal practice to an end.

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第7题

Many teachers believe that the responsibilities for learning lie with student. If a long reading ___

___ is given, instructors expect students to be familiar with the information in the reading even if they do not discuss it in class or take an examination. The ideal student is considered to be one who is motivated to learn for the ______ of learning, not the one interested only in getting high grades. Sometimes, homework is ______ with brief written comments but without a grade. Even if a grade is not given, the student is ______ for learning the material assigned. When research is assigned, the professor expects the students to take it actively and to ______ it with minimum guidance. It is the student's responsibility to find books, magazines, and articles in the library. Professors do not have the time to explain what a university library works; they ______ students, particularly graduate students, to be able to exhaust the reference sources in the library. Professors will help students who need it, but prefer that their students should not be too ______. on them. In the United States, professors have many other duties besides teaching, such as ______ or research work. Therefore, the time that a professor can spend with a student outside of class is ______. ff a student has problems with classroom work, the student should either approach a professor during office hours or make an ______.

A) expect B) administrative C) returned D) recycled E) dependent

E) complete G) sake H) temper I) responsible J) limited

K) likely L) assignment M) concept N) qualified O) appointment

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第8题

听力原文：That's how Shown O'Neill looks back on the heart attack he experienced shortly af

听力原文： That's how Shown O'Neill looks back on the heart attack he experienced shortly after his 31st birthday.

"I thought I was in perfect health," Shown says. "I was never sick. I woke up feeling good every morning."

Then on that fateful day in April 2002, he received a giant eye opener. He was working in his yard in Hixson and started having pain in his chest and arms. "I wag pretty sure what it was, but I couldn't believe it could be happening to roe." The good news is that because Shawn recognized the symptoms and went immediately to Memorial Noah Park Hospital, he received the treatment he needed and the damage to his heart muscle was minimal.

"Advances in medicine make it possible for us to stop many heart attacks and keep people alive if they get to the hospital in time," says Dr: Kinsman Wright, medical director of Cardiac Services at Memorial. "We have technology to pinpoint blockage in the cardiac, arteries and several options to open the vessels. And lifestyle. changes and medications are helping people reduce their risk factors."

But Dr. Wright doesn't see any decrease in heart disease. "With people living longer, we're seeing different types of heart disease. We need to keep studying and fighting it on all fronts."

(30)

A．Yes. Because he is never sick.

B．Yes. Because he wakes up feeling good every morning

C．No. Because his heart muscle was severely, damaged.

D．No. Because he suffered a heart attack.

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第9题

A) phenomena B) priority C) preference D) suspicious E) controversial F) dominant G) attribute

A) phenomena

B) priority

C) preference

D) suspicious

E) controversial

F) dominant

G) attributes

H) assets

I) evolution

J) commenced

K) advanced

L) scatters

M) sheds

N) exist

O) survive

I have read The History and Geography of Human Genes by Luca Cavalli-Sforza but still have some questions. Even though the findings seemingly prove that races are essentially equal on a genetic level, there are differences unexplained. It was Darwin who first(1)the theory of natural selection. His notion was that certain characteristics that help that species(2)are selected over generations by that species. The species does not consciously make the choice for genetic(3)Instead, by surviving longer and being more fruitful, members of that species with the preferred genes gradually become the(4)breed. We may, as a species, all have(5)our existence in one location, but this was long long ago. Factors such as climate and other survival necessities have created needs for(6). I believe these factors have contributed to races evolving with different(7). This explains the(8)such as Asians receiving better science and math scores. It also(9)light on why there are so many excellent athletes from Africa. I understand that this is a particularly(10)statement. This is especially true in an age when races are mixing and the peoples of this planet are attempting to learn to live together.

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第10题

听力原文：Were you the first or the last child in your family？ Or were you a middle or an o

听力原文： Were you the first or the last child in your family？ Or were you a middle or an only child？ Some people think it matters where you were born in your family. But there are different ideas about what birth order means. Some people say that oldest children are smart and strong-willed. They are very likely to be successful (29) . The reason for this is simple. Parents have a lot of time for their first child; they give him or her a lot of attention. So this child is very likely to do well. An only child will succeed for the same reason. What happens to the other children in the family？ Middle children don't get so much attention, so they don't feel that important (30) . If a family has many children, the middle one sometimes gets lost in the crowd. The youngest child, though, often gets special treatment. He or she is the baby. Often this child grows up to be funny and charming. Do you believe these ideas about birth order too？ A recent study saw things quite differently. The study found that first children believed in family rules. They didn't take many chances in their lives. They usually followed orders. Rules didn't mean as much to later children in the family. They went out and followed their own ideas. They took chances and they often did better in life (31) .

(30)

A．They strongly believes in family rules.

B．They are very likely to succeed in life.

C．They tend to take responsibility for themselves.

D．They are in the habit of obeying their parents.

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第11题

Questions 1 to 10 are based on the passage you have just heard. Physical activity does t

Questions 1 to 10 are based on the passage you have just heard.

Physical activity does the body good, and there’s growing evidence that it helps the brain too. Researchers in the Netherlands report that children who get more exercise, whether at school or on their own, (1) to have higher GPAs and better scores on standardized tests. In a (2) of 14 studies that looked at physical activity and academic (3) , investigators found that the more children moved, the better their grades were in school, (4) in the basic subjects of math, English and reading. The data will certainly fuel the ongoing debate over whether physical education classes should be cut as schools struggle to (5) on smaller budgets. The arguments against physical education have included concerns that gym time may be taking away from study time. With standardized test scores in the U.S. (6) in recent years, some administrators believe students need to spend more time in the classroom instead of on the playground. But as these findings show, exercise and academics may not be (7) exclusive. Physical activity can improve blood (8) to the brain, fueling memory, attention and creativity, which are (9) to learning. And exercise releases hormones that can improve (10) and relieve stress, which can also help learning. So while it may seem as if kids are just exercising their bodies when they’re running around, they may actually be exercising their brains as well.

A）attendance

B）consequently

C）current

D）depressing

E）dropping

F）essential

G）feasible

H）flow

I）mood

J）mutually

K）particularly

L）performance

M）review

N）survive

O）tend

第1题答案是：

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