【文章內(nèi)容簡(jiǎn)介】 uldn’t only benefit the already wellresourced. Under Carter, technology is seeping into the city’s functioning and daily life, but with a special eye to serving those populations and neighborhoods that need the most support. Instead of letting techsavvy(懂技術(shù)的) residents and hightech panies drive the process. Carter’s group run meetings in local libraries and other public spaces to find out what problems people in different neighborhoods care about solving. “Some cities take the point of view that if you put out the right technology devices, people will figure out how to take advantage of them,” he explains. “We wanted to start with a grassroots view of what challenges needed to be addressed.” Only in that context, he adds, does technology enter the picture.When it es to sidewalks, Boston has introduced a second method of collecting repair tips. In addition to its smartphone app, it has hired people to get out and walk the city’s 1,700 miles of sidewalks to take notes on their condition. “Combined with our other sidewalk information, that gave us an even better way to predict where faster repairs would do the most good,” says Carter. “We’re really always looking for whatever mix of approaches best solves the problem.”28. What does the underlined phrase “rolled out” in Paragraph 2 refer to? A. Printed. B. Canceled. C. Started. D. Doubted. 29. How does the App help build a smart city?A. It works well for poor neighborhoods. B. It helps the blind to walk safely in the city. C. It solves the problem from lowtech munity. D. It works on smart phones to report repair information. 30. What can we know from Carter’s words in Paragraph 5?A. Technology is used properly in different neighborhoods. B. The use of technology is still a dream of the residents in Boston. C. Carter wishes hightech panies to use the technology first. D. Boston wants to be different from other cities towards using technology. 31. What can we infer from the last paragraph?　A. Boston is being a crowded city.B. Boston focuses too much on repair tips. C. Boston is taking practical ways to get repair information. D. Boston is spending too much on checking the sidewalks. DBelieve it or not, nearly a fifth of older adults have contact with friends, family and neighbors less than once a week. In the United Kingdom, that amounts to nearly 9 million residents who are isolated with little social contact. In the United States, a 2019 survey on aging found 8% of older adults living alone who report feelings of loneliness.●In Somerset, England, the local police found a way to fight social isolation. Local police chose a project that was local, where they could see the change they’d enabled. Their “chat benches” appeared in local parks, where they encourage strollers(散步者) to sit down and have a chat with a random stranger. “The sign simply helps to break down the invisible, social barriers that exists between strangers who find themselves sharing a mon place. We can all play a part…” according to a spokesman for the police department. “Simply stopping to say ‘hello’ to someone at the chat bench could make a huge difference to the vulnerable(易受傷害的) people in our munities and help to make life a little better for them.”●Some Texans in the United States, are trying to relieve the loneliness and isolation that many elderly Americans are feeling during the coronavirus pandemic（冠狀病毒流行）by creating safe “hugging booths.”Amber Crenshaw and her husband Steve Crenshaw own a business called Handle With Care and work with Unlimited Care Cottages, an assisted living facility. Amber said she and her husband designed and built the hugging booths after one of the nurses suggested the idea.The residents have been, just so filled with joy,” Amber said. “It was one of our resident’s birthdays. We were able to set the booth up for their birthday, and family members were able to e in and give birthday hugs. It has really lifted the spirits of the assisted living residents.”The Crenshaws have just worked with Unlimited Care so far, but they said other assisted living facilities in Texas have contacted them with