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Weather in these years is not similar to ____in the past .

A．it                B．that              C．one              D．those

　 Maybe ten?year?old Elizabeth put it best when she said to her father，“But，Dad，you can’t be healthy if you’re dead.”

　 Dad，in a hurry to get home before dark so he could go for a run，had forgotten to wear his safety belt—a mistake 75% of US population make every day.The big question is why.

　 There have been many myths about safety belts ever since their first appearance in cars some forty years ago.The following are three of the most common.

　 Myth Number One: It’s best to be “thrown clear” of a serious accident.

　 Truth: Sorry，but any accident serious enough to “throw you clear” is going to be serious enough to give you a very bad landing.And chances are you’ll have traveled through a windshield (挡风玻璃)or door to do it.Studies show that chances of dying after a car accident are twenty?five times in cases where people are “thrown clear”.

　 Myth Number Two: Safety?belts “trap” people in cars that are burning or sinking in water.

　 Truth: Sorry again，but studies show that people knocked unconscious (昏迷) due to not wearing safety belts have a greater chance of dying in these accidents.People wearing safety belts are usually protected to the point of having a clear head to free themselves from such dangerous situation，not to be trapped in them.

　 Myth Number Three: Safety belts aren’t needed at speeds of less than 30 miles per hour (mph).

　 Truth: When two cars traveling at 30 mph hit each other，an unbelted driver would meet the windshield with a force equal to diving head first into the ground from a height of 10 metres.

1.Why did Elizabeth say to her father，“But，Dad，you can’t be healthy if you’re dead”？

　 A.He was driving at great speed.

　 B.He was running across the street.

　 C.He didn’t have his safety belt on.

　 D.He didn’t take his medicine on time.

2.The reason father was in a hurry to get home was that he 　　　　.

　 A.wasn’t feeling very well　　　　　 B.hated to drive in the dark

　 C.wanted to take some exercise　　　　　 D.didn’t want to be caught by the police

3.According to the text，to be “thrown clear” of a serious accident is very dangerous because

　 you 　　　.

　 A.may be knocked down by other cars

　 B.may get serious hurt thrown out of the car

　 C.may find it impossible to get away from the seat

　 D.may get caught in the car door

4.Some people prefer to drive without wearing a safety belt because they believe 　　　　.

　 A.the belt prevents them from escaping in an accident

　 B.they will be unable to think clearly in an accident

　 C.they will be caught when help comes

　 D.cars catch fire easily

5.What is the advice given in the test?

　 A.Never drive faster than 30 miles an hour.

　 B.Try your best to save yourself in a car accident.

　 C.Never forget to wear the safety belt while driving.

　 D.Drive slowly while you’re not wearing a safety belt.

People have wondered for a long time how their personalities and behaviors are formed．It is not easy to explain why one person is intelligent and another is not, or why one is cooperative （合作的）and another is competitive．

Social scientists are, of course, extremely interested in these types of questions．They want to explain why we possess certain characteristics and exhibit certain behaviors．There are no clear answers yet, but two distinct schools of thought （学派）on the matter have developed．As one might expect, the two approaches are very different from one another, and there is a great deal of debate between proponents of each theory．The controversy（argument) is often referred to as “nature and nurture（教育）”．

Those who support the “nature” side of the conflict believe that our personalities and behavior patterns are largely determined by biological and genetic factors．That our environment has little, if anything, to do with our abilities, characteristics, and behavior is central to this theory．Taken to an extreme(走极端）, this theory maintains that our behavior is predetermined to such a degree that we are almost completely governed by our instincts（本能）．

Proponents of the “nurture” theory, or, as they are often called, behaviorists, claimed that our environment is more important than our biologically based instincts in determining how we will act．A behaviorist, B．F．Skinner, sees humans as beings whose behavior is almost completely shaped by their surroundings．The behaviorists’ view of the human being is quite mechanistic（机械论的）; they maintain that, like machines, humans’ respond to environmental stimuli（刺激） as the basis of their behavior．

Socially and politically, the consequences of these two theories are far-reaching．In the US, for example, blacks often score below whites on standardized intelligence tests．This leads some proponents to conclude that blacks are genetically lower in status than whites．Behaviorists, on the contrary, say that the differences in scores are due to the fact that blacks are often robbed of many of the educational and other environmental advantages that whites enjoy, and that, as a result, they do not develop the same responses that whites do．

Either of these theories cannot yet fully explain human behavior．In fact, it is quite likely that the key to our behavior lies somewhere between these two extremes. That the controversy will continue for a long time is certain．

1.This passage is mainly concerned with             ．

2.The underlined word " proponents'' in paragraph 2 means          ．

3.In paragraph 5 , the author mainly writes about          ．

4.What's the author's purpose in writing the passage?

Some students get so nervous before a test, and they do poorly even if they know the material. Sian Beilock has studied these highly anxious test-takers.

Sian Beilock: “They start worrying about the consequences. They might even start worrying about whether this exam is going to prevent them from getting into the college they want. And when we worry, it actually uses up attention and memory resources. I talk about it as your cognitive horsepower that you could otherwise be using to focus on the exam.”

Professor Beilock and another researcher, Gerardo Ramirez, have developed a possible solution. Just before an exam, highly anxious test-takers spend ten minutes writing about their worries about the test.

Sian Beilock: “what we think happens is when students put it down on paper , they think about the worst that could happen and they reassess the situation. They might realize it’s not as hard as they might think it was before and, in essence, it prevents these thoughts from popping up when they’re actually taking a test.”

The researchers tested the idea on a group of twenty anxious college students. They gave them two short math tests. After the first one, they asked the students to either sit quietly or write about their feelings about the upcoming second test.

The researchers added to the pressure. They told the students that those who did well on the second test would get money. They also told them that their performance would affect other students as part of a team effort.

Professor Beilock says those who sat quietly scored an average of twelve percent worse on the second test. But the students who had written about their fears improved their performance by an average of five percent.

Next, the researchers used younger students in a biology class. They told them before final exams either to write about their feelings or to think about things unrelated to the test.Prefessor Beilock says highly anxious students who did the writing got an average grade of B+, compared to a B- for those who did not.

Sian Beilock: “What we showed is that for students who are highly test-anxious, who’d done our writing intervention, all of a sudden there was no relationship between test anxiety and performance. Those students most likely to worry were performing just as well as their classmates who don’t normally get nervous in these testing situations.”

But what if students do not have a chance to write about their fears immediately before an exam or presentation? Professor Beilock says students can try it themselves at home or in the library and still improve their performance.

1.What may happen if students have the problem of test anxiety?

A．Test anxiety can improve students’ performance to some degree.

B．Students’ attention and memory resources run out when worried.

C．Students may not be admitted into their favorite college if worried

D．Test anxiety is sure to cause students to fail the test.

2.Which of the following is TRUE?

A．The result in the math test agrees with that in the biology test.

B．In the first math test, students who sat quietly performed better.

C．In the second math test, students who wrote about their feelings did worse.

D．Some college students are highly anxious test-takers while others are not..

3.What does the underlined phrase “popping up” mean?

A．Giving out                             B．Fading away

C．Becoming clear                         D．Appearing suddenly

4.What is the main idea of the passage?

A．It is a common practice for students to get worried before a test.

B．Being worried before tests does harm to students’ performance.

C．Anxious students overcome test anxiety by writing down fears.

D．It is important for students to overcome test anxiety.