FIT指的是（）。

A:文件传输协议 B:远程登录协议 C:电子公告板 D:电子邮件

In the first paragraph, the writer tells us that statuses can help us（）

A:determine whether a person is fit for a certain job B:behave appropriately in relation to other people C:protect ourselves in unfamiliar situations D:make friends with other people

Statuses are marvelous human inventions that enable us to get along with one another and to determine where we "fit" in society. As we go about our everyday lives, we mentally attempt to place people in terms of their statuses. For example, we must judge whether the person in the library is a reader or a librarian, whether the telephone caller is a friend or a salesman, whether the unfamiliar person on our property is a thief or a meter reader, and so on.
The statuses we assume often vary with the people we encounter and change throughout life. Most of us can, at very high speed, assume the statuses that various situations require. Much of social interaction consists of identifying and selecting among appropriate statuses and allowing other people to assume their statuses in relation to us. This means that we fit our actions to those of other people based on a constant mental process of appraisal and interpretation. Although some of us find the task more difficult than others, most of us perform it rather effortlessly.
A status has been compared to ready-made clothes. Within certain limits the buyer choose style and fabric. But an American is not free to choose the costume of a Chinese peasant or that of a Hindu prince. We must choose from among the clothing presented by fit, as well as by our pocketbook. Having made a choice from minor adjustments, we tend to be limited to what the stores choice among them is limited.

In the first paragraph, the writer tells us that statuses can help us （）.

A:determine whether a person is fit for a certain job B:behave appropriately in relation to other people C:protect ourselves in unfamiliar situations D:make friends with other people

Speaker A: Good to see you. You look more fit and better.
Speaker B:______

A:Thanks. I had a lot of exercise and drank vegetable juice every day. B:Sorry. I don' t think I am more fit. Actually, I caught a bad cold. C:Yes. I'm much more fit. And you D:I'm glad to see you too, though I' m not much better that ever befor

Speaker A: Good to see you. You look more fit and better.
Speaker B:（）

A:Thanks. I had a lot of exercise and drank vegetable juice every day. B:Sorry. I don’ t think I am more fit. Actually, I caught a bad cold. C:Yes. I’m much more fit. And you D:I’m glad to see you too, though I’ m not much better that ever befor

Speaker A: Good to see you. You look more fit and better.Speaker B:______

A:Thanks. I had a lot of exercise and drank vegetable juice every day. B:Sorry. I don' t think I am more fit. Actually, I caught a bad cold. C:Yes. I'm much more fit. And you D:I'm glad to see you too, though I' m not much better that ever before.

Do you think sitting and studying all the time will improve your grades Think again. Getting some exercise may help, too.
New research with older people suggests that taking regular walks helps them pay attention better than if they didn’t exercise.
Previous research had shown that mice learn, remember, and pay attention better after a few weeks of working out on a running wheel. Mice that exercise have greater blood flow to the brain than those who don’t. Their brain cells also make more connections.
Neuroscientists from the University at Urbana-Champaign wanted to find out if the same thing is true for people. First, they measured the physical fitness of 41 adults, ages 58 to 77, after each person walked 1 mile. Then, participants looked at arrows on a computer screen and had to use computer keys to show which way one particular arrow was pointing.
Adults who were physically fit were faster at the arrow task, and their answers were just as accurate as their less fit peers, the researchers found. The fitter participants also had more blood flow to a part of their brain responsible for paying attention and making decisions.
In a second study, 15 elderly people who completed a 6-month aerobic-training course were faster at attention tasks compared with 14 seniors who just did stretching and toning exercises for the same amount of time.
So, even going for a walk every 2 or 3 days for just 10 to 45 minutes can help. That should be good news for your grandparents.
The effects of exercising on the brains of younger people haven’t been studied yet. Still, it can’t hurt to take occasional study breaks and go for a walk or run around with your friends. You might even do better in school.
Whatever you do, though, don’t try to read and walk at the same time. You could end up hurting yourself!
The first study on 41 elderly people found______.

A:the less-fit participants did arrow tasks faster B:the fitter participants did arrow tasks faster C:the less-fit participants gave more accurate answers D:the fitter participants gave more accurate answers

{{B}}第三篇{{/B}}

The first study on 41 elderly people found

A:the less-fit participants did arrow tasks faster． B:the fitter participants did arrow tasks faster． C:the less-fit participants gave more accurate answers． D:the fitter participants gave more accurate answers．

下面有3篇短文，每篇短文后有5道题。请根据短文内容，为每题确定1个最佳选项。
{{B}}第一篇{{/B}}

The first study on 41 elderly people found

A:the less-fit participants did arrow tasks faster． B:the fitter participants did arrow tasks faster． C:the less-fit participants gave more accurate answers． D:the fitter participants gave more accurate answers．

Young Adults Who Exercise Get Higher IQ Scores 　　Young adults who are fit have a higher IQ and are more likely to go on to university, reveals a major new study carried out at the Sahlgrenska Academy and Sahlgrenska University Hospital. 　　The results were recently published in the Proceedings of the National Academy of Sciences (PNAS).The study involved 1.2 million Swedish men doing military service who were born between 1950 and 1976. The research group analyzed the results of both physical and IQ tests the youngsters took right after they started serving the army. 　　The study shows a clear link between good physical fitness and better results for the IQ test. The strongest links are for logical thinking and verbal comprehension. But it is only fitness that plays a role in the results for the IQ test,and not strength. “Being fit means that you also have good heart and lung capacity and that your brain gets plenty of oxygen ,” says Michael Nilsson, professor at the Sahlgrenska Academy and chief physician at the Sahlgrenska University Hospital. “This may be one of the reasons why we can see a clear link with fitness, but not with muscular strength . We are also seeing that there are growth factors that are important.” 　　By analyzing data for twins, the researchers have been able to determine that it is primarily environmental factors and not genes that explain the link between fitness and higher IQ. 　　“We have also shown that those youngsters who improve their physical fitness between the ages of 15 and 18 increase their cognitive performance,”says Maria Aberg, researcher at the Sahlgrenska Academy and physician at Aby health centre. “This being the case, physical education is a subject that has an important place in schools, and is an absolute must if we want to do well in maths and other theoretical subjects.” 　　The researchers have also compared the results from fitness tests during national service with the socio-economic status of the men later in life. Those who were fit at 18 were more likely to go into higher education, and many secured more qualified jobs.The study finding include the following EXCEPT that _______.

A:growth factors are significant for a person’s IQ. B:young adults who are fit get higher scores in IQ tests. C:youngsters who are fit will more likely get college education. D:young people who are muscular and strong have a higher IQ.