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Dictation: At the historic summit between President Donald Trump and North Korea’s Chairman Kim Jong Un, a bold step was taken toward establishing a new relationship between two countries that have been1______for decades.In a joint statement signed byboth men, “President Trump committed to provide security 2______to the DPRK, and Chairman Kim Jong Un reaffirmed his firm and unwavering commitment to complete 3_______of the Korean Peninsula.”The leaders 4_______“to cooperate for the development of new U.S.-DPRK relations and for the promotion of peace, prosperity, and security of the Korean Peninsula and of the world.”In a press conference followingthe 5_______, President Trump spoke not only of North Korea, but also of another regime whose nuclear weaponsambitions have long raisedconcern: Iran.In May President Trump withdrew from the Joint Comprehensive Plan of Action, the nuclear deal that lifted nuclear-related 6______on Iran in return for Iran’s limiting its nuclear activities. In explaining his decision to withdraw, President Trump said the deal was defective, and, that under its structure, an Iranian nuclear bomb could not be prevented.At the press conference in Singapore, President Trump expressed the hope that Iran’s leaders “come back and 7_______a real deal, because,” he said, “I’d love to be able to do that.”In speaking of North Korea and the possibility of a new relationship with the United States, President Trump made a 8______that Iran’s leaders too should 9______.“The past does not have to define the future...As history has proven over and over again, adversaries can indeed become friends.” He emphasized that the United States and North Korea are “at the beginning of an 10______process. Our eyes are wide open,” he said, “but peace is always worth the effort.”

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在ABC里选一个填第一个空, 再在DEF里选一个填第二个:The of football players______is that the judge makes wrong decisions that produce an unfair______.

A. dread
B. dominant
C. existential
D. outcome

The most strategic game of the following is______.

A. Checkers
B. Chess
Chinese chess
D. Go

According to the text, how is AlphaGo not trained?

A. To analyze situations
B. To replace human beings at once
C. To break the game down into tiny parts
D. To visualize all possible steps

For decades human beings have played games against computers. At first, computers 1______…but then, they started winning. And now, they’ve become so 2______that they're raising doubts about the future of humanity.The latest emblem for existential 3______is Google'sDeepMind project, whichcreated AlphaGo-an A.I.program that’s becomeunbeatable at the most 4______ strategy game on theplanet.While the game of 5_______has 10 to the power of 20possible outcomes, and agame of chess has 10 to thepower of 40 possible outcomes. Go has more than10 to the power of 80 possibleoutcomes.AlphaGo is trained to6______situations itself, by breaking the game down into tiny parts and 7_______all possible moves. Last week, it played the world's best Go player,19-year old Ke Jie, with the help of a human handler. AlphaGo beat him three times and, after doing what it was designed to do, retired from the game.

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