Ⅰ.阅读理解 In a study published in Nature Communications，researchers from the University of Zurich told 50 people they'd be receiving about $100.Half of the people were asked to spend that money on themselves，and half were asked to spend it on someone they knew.Before giving out any money，the researchers brought everyone into the lab and asked them to think about a friend they'd like to give a gift to and how much they would spend.They then performed functional MRI scans(扫描) to get to know activity in three parts of the brain related to social behavior，generosity，happiness and decision-making. Their choices—and their brain activity—seemed to depend on how they had promised to spend the money earlier.Those who had promised to spend money on other people tended to make more generous decisions throughout the experiment(实验)．They also had more interaction between the parts of the brain related to altruism(无私) and happiness，and they reported higher levels of happiness after the experiment was over. Another piece of good news was that planning to give away just a little bit of money had the same effects on happiness as giving away a lot.“At least in our study，the amount spent did not matter，” says lead author Philippe Tobler.“Even little things have a beneficial effect—like bringing coffee to one's workmates.” It's not yet clear how long these warm feelings last after being generous.But studies have shown that older people who are generous tend to have better health，says Tobler，and other research has suggested that spending money on others can be effective at lowering blood pressure.“Moreover，there is a positive connection between helping others and life expectancy(预期寿命)，” he adds. Next time you think that the best way to make yourself feel better is to buy yourself a treat，consider that the opposite is likely true.“It is worth giving it a try，even if you think it would not work，” Tobler says.“Repeated practice is probably needed so that giving becomes second nature.” 1．What did the researchers find out about those promising to spend money on other people A．They were much happier. B．They had less brain activity. C．They were slower at making decisions. D．They experienced higher levels of stress. 2．What does Tobler want to explain by mentioning bringing coffee to workmates A．It isn't hard to behave generously. B．Being generous will pay off in the end. C．The amount of generosity did not matter. D．Small acts of generosity can be seen everywhere. 3．What does paragraph 4 mainly tell us A．Ways to show generosity. B．Health benefits of being generous. C．Reasons for performing acts of generosity. D．Influences generous people have on others. 4．What does Tobler suggest people do in the last paragraph A．Practice giving and make it a habit. B．Don't expect anything in return when giving. C．Don't believe happiness depends on a good treat. D．Perform something good even if it may have a bad result. 读写积累 1．f ... ...
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