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Animals have been kept as pets by people in all parts of the world for thousands of years. The most (26) pets are dogs, cats, birds and fish. But many people (27) unusual pets, (28) snakes, crocodiles and monkeys. Many Japanese children (29) mice and teach (30) to dance (31) music. The people of India (32) pets of snakes.Pets can make interesting, playful (33) . People enjoy teaching them to do (34) and to (35) commands. Pets owners often (36) their pet to be a member of the family. Many children spend more time with their pets than they do with adults. (37) .caring for pets, children learn responsibility. They must (38) that their pets have food, ex excise, and a proper place to live in. Most children like (39) to and even telling secrets to their pets.Pets also can (40) to a person’s general well-being. Research shows that (41) with animals can improve a person’s morale, and that the presence of pets can lower (42) blood pressure. Many people look and feel more relaxed (43) with their pets. Many people living (44) in nursing homes or in hospitals enjoy community programs that bring pets to visit. Today, many such institutions keep cats, birds, fish and other pets for their (45) . 40（）
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Animals have been kept as pets by people in all parts of the world for thousands of years. The most (26) pets are dogs, cats, birds and fish. But many people (27) unusual pets, (28) snakes, crocodiles and monkeys. Many Japanese children (29) mice and teach (30) to dance (31) music. The people of India (32) pets of snakes.Pets can make interesting, playful (33) . People enjoy teaching them to do (34) and to (35) commands. Pets owners often (36) their pet to be a member of the family. Many children spend more time with their pets than they do with adults. (37) .caring for pets, children learn responsibility. They must (38) that their pets have food, ex excise, and a proper place to live in. Most children like (39) to and even telling secrets to their pets.Pets also can (40) to a person’s general well-being. Research shows that (41) with animals can improve a person’s morale, and that the presence of pets can lower (42) blood pressure. Many people look and feel more relaxed (43) with their pets. Many people living (44) in nursing homes or in hospitals enjoy community programs that bring pets to visit. Today, many such institutions keep cats, birds, fish and other pets for their (45) . 29（）
America is a country on the move. In unheard of numbers, people of all ages are exercising their way to better health. According to the latest figures, 59 percent of American adults exercise regularly-up 12 percent from just two years ago and more than double the figure of 25 years ago. Even non-exercisers believe they would be more attractive and confident if they were more active.It is hard not to get the message. The virtues of physical fitness are shown on magazine covers, postage stamps, and television ads for everything from beauty soaps to travel books. Exercise as a part of daily life did not catch on until the late 1960s when research by military doctors began to show the health benefits of doing regular physical exercises. Growing publicity (宣传) for races held in American cities helped fuel a strong interest in the ancient sport of running. Although running has leveled off in recent years as Americans have discovered equally rewarding--and sometimes safer-forms of exercise, such as walking and swimming, running remains the most popular form of exercise.As the popularity of exercise continues to mount, so does scientific evidence of its health benefits. The key to fitness is exercising the major muscle groups vigorously (强有力地) enough to approximately double the heart rate and keep it doubled for 20 to 30 minutes at a time. Doing such physical exercises three times or more a week will produce considerable improvements in physical health in about three months. Which of the following is closed in meaning to the phrase "leveled off"( Para, 2)（）
Before the 20th century, the horse provided day to day transportation in the United States. Trains were used only for long-distance transportation.Today the car is the most popular sort of transportation in all of the United States. It has completely replaced the horse as a means of everyday transportation. Americans use their car for nearly 90 percent of all personal trips.Most Americans are able to buy cars. The average price of a recently made car was $ 2050 in 1950, $ 2740 in 1960 and up to $ 4750 in 1975. During this period American car manufacturers set about improving their products and work efficiency. As a result, the yearly income of the average family increased from 1950 to 1975 faster than the price of cars. For this reason purchasing a new car takes a smaller part of a family’s total earnings today. What is the most popular sort of transportation today（）
M: I enjoy camping out in the summer. A great change from city life, I think.W: Yes, you said it. I went with my. friends last Sunday. We really enjoyed ourselves, and we are going camping next weekend. Would you like to come along with usM: I’d love to, thank you. What are they talking about（）
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