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The lifesaving power of gratitudeA) Gratitude may be more beneficial than we commonly suppose. One recent study asked participants to write a note of thanks to someone and then estimate how surprised and happy the recipient would feel—an impact that t

Scientists recently examined studies on dog intelligence and compared them with research into the minds of other intelligent animals. The researchers found that dogs are among the more intelligent carnivores(食肉动物), social hunters and domestic anima

Passage TwoQuestions 51 to 55 are based on the following passage.Born from the accessibility of mass air travel, modem international tourism has been popularized as "holiday-making" in regions that offer comparative advantages of sand, sun and sea. Tra

Passage TwoQuestions 51 to 55 are based on the following passage.Look at the people around you.Some are passive,others more aggressive.Some work best alone,others crave companionship.We easily recognize that there is great variation among the individua

Passage TwoQuestions 51 to 55 are based on the following passage.Officials at the White House announced a new space policy focused on managing the increasing number of satellites that companies and governments are launching into space. Space Policy Dir

Companies Are Working with Consumers to Reduce WasteA) As consumers, we are very wasteful. Annually, the world generates 1.3 billion tons of solid waste. This is expected to go up to 2.2 billion by 2025. The developed countries are responsible for 44%

When Elon Musk says that his new priority is using artificial intelligence to build domestic robots, we should look forward to the day in admiration.Mr. Musk is a guy who gets things done. The founder of two tech companies, Tesla Motors and SpaceX, is

Passage OneQuestions 46 to 50 are based on the following passage.Tennessee\'s technical and community colleges will not outsource (外包) management of their facilities to a private company, a decision one leader said was bolstered by an analysis of spen

Passage TwoQuestions 51 to 55 are based on the following passage.Massive rubbish dumps and sprawling landfills constitute one of the more uncomfortable impacts that humans have on wildlife. They have led some birds to give up on migration. Instead of f

Passage OneQuestions 46 to 50 are based on the following passage.Dr. Donald Sadoway at MIT started his own battery company with the hope of changing the world\'s energy future. It\'s a dramatic endorsement for a technology most people think about only wh

The robotics revolution is set to bring humans face to face with an old fear-man-made creations as smart and capable as we are but without a moral compass.As robots take on ever more complex roles.The question naturally 26 Who will be responsible when

Questions 26 to 35 are based on the following passage.It seems to be a law in the technology industry that leading companies eventually lose their positions, often quickly and brutally. Mobile phone champion Nokia, one of Europe’s biggest technology s

Part I Writing (30 minutes)Directions: For this part, you are allowed 30 minutes to write a short essay based on the picture below. You should focus on the impact of social networking websites on reading. You are required to write at least 150 words bu

Travel websites have been around since the 1990s, when Expedia, Travelocity, and other holiday booking sites were launched, allowing travelers to compare flight and hotel prices with the click of a mouse. With information no longer__26__by travel agent

Passage TwoQuestions 51 to 55 are based on the following passage.Today, most scientific research is funded by government grants, companies doing research and development, and non-profit foundations. As a society, we reap the rewards from this science,