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Read the article and select the best answer. Article: In its latest step to attract Chinese smartphone users, e-commerce company Alibaba Group Holding Ltd. said it is planning to launch a mobile gaming service soon. Alibaba is considering integrating its new mobile gaming service into its messaging app, Laiwang, as well as its Mobile Taobao app for online shopping, a person familiar with the matter said. It is also planning to launch the gaming service as a standalone app, the person said. In the world of gaming and other mobile-based services, Alibaba faces powerful competitor Tencent Holdings Ltd., a giant in online gaming and social networking services. Many analysts view Tencent as a leader in mobile-based businesses in China because of its popular WeChat instant-messaging app, which has over 272 million monthly active users worldwide according to the company. Tencent could use WeChat's massive user base to offer additional mobile services such as gaming or e-commerce, analysts say. Alibaba's push into mobile-based services hasn't always been smooth. It launched Laiwang more than a year ago, but the app, which competes against WeChat, struggled to gain popularity. In September, a person familiar with the situation said Alibaba was in talks with China Telecom Corp., to have the app preinstalled in smartphones sold by the country's third-largest mobile carrier. According to Alibaba, Laiwang had more than 10 million registered users as of November. Alibaba dominates China's e-commerce market with its Taobao and Tmall shopping sites, but one of the biggest challenges it faces is how to hold onto its vast user base when more Chinese Internet users access online services from smartphones. To meet this challenge, Alibaba has made several acquisitions to strengthen its mobile-based services. Last year, it took an 18% stake in Sina Corp.'s Twitter-like Weibo service and integrated some of Taobao's e-commerce services with the microblog. It also bought a 28% stake in mobile mapping firm AutoNavi Holdings Ltd., a move that could enable Alibaba to send... Question: Why does Alibaba plan to launch a mobile gaming services? _ Options: A: Alibaba wants to take more shares in the market of mobile-based services B: Alibaba wants to sell more goods to customers C: Alibaba wants to maintain its status as e-commerce leader D: Alibaba wants to try something new in gaming services
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A

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Read the article and select the best answer. Article: Reduce, reuse, and recycle. This familiar environmentalist slogan tells us how to reduce the amount of rubbish that ends up in landfills and waterways. The concept is being used to deal with one possibly dangerous form of waste -- electronic junk , such as old computers, cell phones, and televisions. But this process for managing e-waste may be used in an way more often than not used, a recent report suggests. "A lot of these materials are being sent to developing nations under the excuse of reuse -- to bridge the digital divide," said Richard Gutierrez, a policy researcher. One of the problems is that no one proves whether these old machines work before they hit the seaways. Because of this, the report says, e-waste is a growing problem in Lagos, Nigeria, and elsewhere in the developing world. Much of the waste ends up being thrown away along rivers and roads. Often it's picked apart by poor people, who may face dangerous exposure to poisonous chemicals in the equipment. Businessmen also pay workers a little money to get back materials such as gold and copper. This low-tech recovery process could expose workers and the local environment to many dangerous materials used to build electronics. According to Gutierrez, this shadow economy exists because the excuse of recycling and reusing electronics gives businessmen "a green passport" to ship waste around the globe. "Developing nations must take upon some of the responsibility themselves," Gutierrez said. But, he added, "A greater portion of this responsibility should fall on the exporting state." China, for example, has become a dumping place for large amounts of e-waste. The nation is beginning to take action to stop the flow of dangerous materials across its borders. The Chinese government, after many years of denial is finally beginning to take the lead. Question: From what Gutierrez said we can learn that _ . Options: A: developing countries should be responsible for this problem B: exporting countries should be mainly responsible for this problem C: neither rich nor poor countries should be blamed for this problem D: poor countries should be blamed for this problem
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B

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Read the article and select the best answer. Article: "Good fences make good neighbors", the television commentator said, misquoting Robert Frost for the millionth time in my memory.It made me wonder if the poet was not looking down from Heaven and sadly shaking his head. No line of poetry has ever been more misused in history than that one.It comes from Frost' s great poem Mending Wall.In it he writes of him and his neighbor repairing the broken stone wall that divides their property .Frost questions why they are doing so, because there are no animals that need fencing in.He sees as well that the wall is a symbol of the barriers that people create to separate themselves from each other.He wisely writes that, "Before I built a wall I'd ask to know what I was walling in or walling out, and to whom I was like to give offence .'Something there is that doesn't love a wall, that wants it down'." His neighbor, however, who Frost describes as a "stone savage" who "moves in darkness" refuses to part from the ways of his forefathers and goes along foolishly with their belief that "Good fences make good neighbors." I wonder if Mr.Frost would have ever written his poem if he had known that the line he wrote in irony would be used again and again to encourage what he was so against.Perhaps he would have written a different one about tearing down the fences that separate us and breaking apart the walls that hide our hearts from each other.Either way, we should embrace the wisdom he shared with us.Fences and walls separate us from each other.We need to take them down stone by stone, walk through them, and embrace each other in joy.We need to love our neighbors.We need to see that good fences DO NOT make good neighbors.They just make lonely hearts. Question: What does the wall in Frost's poem stand for according to the author? Options: A: Broken fences. B: Quarrels with neighbors. C: The distance between neighbors. D: The insisting on the forefathers' belief.
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C