Scientists are placing robotic dogs in the homes of lonely old people to test whether they can improve the quality of life for humans. Alan Beck, an expert in human-animal relationship, and Nancy Edwards, a professor of nursing, are leading the animal-assisted study on the effect of robotic dogs on old people's depression , physical activity, and life satisfaction. In the study, the robot, called AIBO, is placed for six weeks in the houses of some old people who live alone. Before placing AIBO in the home, scientists will collect baseline data for six weeks. These old people will keep a diary to note their feelings and activity before and after AIBO. Then, the scientists will review the data to test if it has produced any changes in the life of its owner. "I talk to him all the time, and he responds to my voice," says a seventy-year-old lady. "When I'm watching TV, he'll stay in my arms until he wants down. He has his own mind." The AIBOs respond to certain orders. The scientists say they have some advantages over live dogs, especially for old people. Often the elderly are disabled and cannot care for an animal by walking it or playing with it. A robotic dog _ exercise and feeding concerns. "At the beginning, it was believed that no one would relate(......) to the robotic dog, because it was metal and not furry." Beck says. "Hopefully, down the road, these robotic pets could become a more-valuable health helper. They will record their masters' blood pressure, oxygen levels or heart rhythms . AIBOs may even one day have games that can help stimulate older people's minds." In the research, the old people are asked to _ . A) note the activities of AIBOs B) keep AIBOs at home for 12 weeks C) record their feelings and activity D) study the collected information
C

There have never been many adventurers. You can read stories about men called adventurers. But they were really businessmen. There was something they wanted----- a lady, or money, or a country, or honor. And so they got it. But a true adventurer is different. He starts without any special purpose. He is ready for anything he may meet. There have been many half-adventurers. And they were great men. History is rich with their stories. But each of them had a special purpose. They were not followers of true adventure. In the big city of New York, Romance and Adventure are always waiting. As we walk along the street, they are watching us. We look up suddenly and see a face in a window. The face seems to interest us strangely. Or in a quiet street, we hear a cry of fear and pain coming from a house where no one lives. A car takes us to a strange door, instead of to our own. The door opens and we are asked to enter. At every corner, eyes look toward us, or hands are raised, or fingers point. Adventure is offered. But few of us are ready to accept. We are ready to do only the things we do every day. We wish to do only the things that everyone else does. We move on; and some day we come to the end of a long quiet life. Then we begin to think. Then, when it is too late, we are sorry that we have never known true Romance and Adventure. The passage doesn't mention it, but we can infer from the passage that when most people meet an offer of adventure, they will _ . A) grow angry but curious B) accept the offer C) grow embarrassed and reject the offer D) be frightened and cry for help.
C

Do you still get free plastic bags from the supermarkets? Things have changed. China has banned free plastic bags in shops and supermarkets,and people have to pay for using plastic bags. The rule started on June 1st. It came because our country tried to make less litter. Making super-thin plastic bags has also been banned. The Chinese once used about 3,000,000,000 plastic shopping bags a day,and they have caused pollution of the environment. The bags have become a main cause of plastic pollution because they are easy to break and people throw them away here and there. So the Chinese people are encouraged to bring their own bags for shop ping. What kind of shopping bag is the best to bring? Some students in Chongqing have a good idea. They make their own shopping bags. They use old clothes to make cloth bags,and send them to their parents as presents. They also ask their parents and friends to use cloth bags instead of plastic ones. They think it is their duty to protect the environment. ,. The Chinese people are encouraged to bring _ for shopping. A) no bags B) free plastic bags C) their own bags D) super-thin plastic bags
C