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as babies, yet it’s one of the last ones we think to use as adults. That’s unfortunate, because saying hello is more than just saying hello it is recognition of another’s worth.. How might the world change – how might we change if we mastered this word? To find out, I spent one month saying hello to every person I met. Here’s what I’ve learned. ? 「 2」 It can boost (促進(jìn) ) productivity. In one of the few studies ever done on this subject, Allan Allday, an assistant professor of special education at Oklahoma State University, had middle school teachers greet their students individually each morning. This exchange of greetings raised the kid’s productivity. School went from impersonal to personal, and that resulted in more class participation and better grades. ? does the author say about the adults according to Paragraph 1?( within 8 words) . _________________________________________________________________________ ? 「 3」 Environments influence friendliness. One study found that people in the city were less likely to shake hands with a stranger than those in the countryside .And, researchers say, pleasant environments generally encourage more smiles and hellos than unpleasant ones. My experience was similar l. Whatever the reason, my urban hellos were answered far less often than my rural one. Similarly, people in vacation spots, like the Jeros hore, were far friendlier than those hurrying to work downtown. ? 「 4」 It’s a form of universal health insurance. It’s impossible to say hello without smiling. And smiling has been shown to lower blood pressure, relieve stress and boost happiness Apparently, a smile creates a similar effect in the recipient (接受者 )。每小題 2分 ,滿分 10分 ) ? 閱讀下面短文 ,并按照題目要求用英語(yǔ)回答問題 . ? Almost everybody in America will spend a part of his or her life behind a shopping cart(購(gòu)物手推車 ). They will, in a lifetime, push the chromeplated contraptions many miles. But few will know—or even think to ask—who it was that invented them. ? Sylvan N. Goldman invented the shopping cart in 1937. At that time he was in the supermarket business. Every day he would see shoppers lugging(吃力地?cái)y帶 ) groceries around in baskets they had to carry. ? One day Goldman suddenly had the idea of putting baskets on wheels. The wheeled baskets would make shopping much easier for his customers, and would help to attract more business. ? On June 4, 1937, Goldman’s first carts were ready for use in his market. He was terribly excited on the morning of that day as customers began arriving. He couldn’t wait to see them using his invention. ? But Goldman was disappointed. Most shoppers gave the carts a long look, but hardly anybody would give them a try. ? After a while, Goldman decided to ask customers why they weren’t using his carts. “Don’t you think this arm is strong enough to carry a shopping basket?” one shopper replied. ? But Goldman wasn’t beaten yet. H