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Read the following article and select the best answer. Article: Restoring the quake-hit ecosystems is a question of balancing the interests of the local people and the environment.Rural methane projects can reduce the number of locals taking fire-wood from the mountainsides.The use of straw as food for animals will ensure that vegetation can grow.In Sihai township and Dazhuangke village, in Beijing, they now have a forestry coverage of 85% or more, compared to the 30% they had 15 years ago.Back then, land was used very inefficiently: one person would use 20 mu of forest just for firewood.With those pressures on the ecosystem, no amount of spending on reforestation will succeed.Then the government relocated the population and paid those who remained to tend the forest and provide coal.This reduced the pressures on the ecosystem and it was able to recover naturally. When an ecosystem has not been pushed past certain limits, it is able to recover on its own.Human involvement should only play a minor role, including after an earthquake.This is particularly the case for sandy grasslands, grasslands deserts, the mountains of the south and the northern sides of mountains in the north.In these areas soil remains and the water, light, heat and nutrients needed are available.Less human involvement is even more appropriate in areas with a small population, where it can avoid money being wasted on ineffective efforts, such as creating forests in dry areas. The creation of nature reserves should be a model to allow damaged ecosystems to recover.Funding can start at the national level; centrally-funded nature reserves can enforce environmental protection laws and help to promote the local economy.This will solve the problems of reserves being run to make money.When national reserves are funded, local governments will be able to adopt the same model and provide the funds for nature reserves from their own budgets.The first project should be established in nature reserves hit by the quake; these can then become models for other areas. Question: According to the passage _ play(s) a major role in ecosystem recovery. - local people - nature itself - human involvement - government's effort
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nature itself

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Read the following article and select the best answer. Article: Great Wall Xmas BBQ Beijing Hikers is organizing a three-hour hike on a rarely-visited part of the Great Wall and will celebrate Christmas afterwards with a Christmas barbecue dinner in a small hotel at the foot of the Great Wall.Meet at 8:30 am.Dec 25 in front ofStarbucks at Lido Holiday Inn, Jiangtai Lu.Please write to _ or 139-100-25516.Pingyao tour High Club will guide a weekend trip to Pingyao, an ancient-walled town near Taiyuan, capital city of Shanxi Province.The town is among one of the best-preserved featuring a number of courtyard buildings of the Ming and Qing dynasties(1368-1911).Among them is the Qiao family courtyard house, the shooting location of Zhang Yimou's " Raise the Red Lantern (')".Leave on Friday (December 23) night by train and back to Beijing on Sunday morning.For sign-up and more information, contact Lucy at _ or 8580-5080, 130-11171326. New year Harbin trip The Chinese Culture Club is running a new year trip to Harbin, to catch a fresh view of its yearly ice and snow lantern festival. As the temperature is expected to fall between minus 20 degC to 30 degC, visitors are warned to prepare well with down jackets, masks, fur gloves and boots.The trip sets out by train at night on December 31 and gets back on the morning January 2.The cost is 2,300 yuan (US $284).Reservation is required at 8457-2772 or 138-101-33998. Question: The last advertisement of Harbin trip offers NO information about _ . - what to see there - what to buy there - when to leave and return - how much to pay
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what to buy there

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Read the following article and select the best answer. Article: "Sesame Street" has been called "the longest street in the world". That is because the television program by that name can now be seen in so many parts of the world. That program became one of American's exports soon after it went on the air in New York in 1969. In the United States more than six million children watch the program regularly. The viewers include more than half the nation's pre-school children, from every kind of economic , racial , and geographical group. Although some educators object to certain elements in the program, parents praise it highly. Many teachers also consider it a great help, though some teachers find that problems arise when first graders who have learned from "Sesame Street" are in the same class with children who have not watched the program. Tests have shown that children from all racial, geographical, and economic backgrounds have benefited from watching it. Those who watch it five times a week learn more than occasional viewers. In the US the program is shown at different hours during the week in order to increase the number of children who can watch it regularly. The programs all use songs, stories, jokes, and pictures to give children a basic understanding of numbers, letters and human relationships. But there are some differences. For example, the Spanish program, produced in Mexico City, devotes more time to teaching whole words than to teaching separate letters. Why has "Sesame Street" been so much more successful than other children's shows? Many reasons have been suggested. People mention the educational theories of its creators, the support by the government and private businesses, and the skillful use of a variety of TV tricks. Perhaps an equally important reason is that mothers watch it along with their children. This is partly because famous adult stars often appear on it. But the best reason for the success of the program may be that it makes every child watching feel able to learn. The child finds himself learning, and he wants to learn more. Question: The best title for this passage can be _ . - TV Programs - Educating Children - Sesame Street - A Great Success
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Sesame Street