31. Part 2: Vocabulary Cloze
If you like doing (1) _____ in the swimming pool, you might want to (2) _____ up on the energy drinks before diving in to this one. It is more than 1,000 yards long, (3) _____ 20 acres, had a 115ft deep end and holds 66 million gallons of water. Yesterday the Guinness Book of Records named the (4) _____ pool beside the sea in Chile as the biggest in the world. (5) _____ by the Guinness Book of World Records as the world's largest swimming pool, the lagoon measures 1,013 metres in (6) _____ and covers an area of eight hectares.
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37.
But if you fancy (7) _____ out on one of your own and you have the space to accommodate it then (8) _____ : This one took five years to build, cost nearly £1billion and the annual (9) _____ bill will be £2million. The man-made saltwater lagoon has been attracting huge crowds to the San Alfonso del Mar (10) _____ at Algarrobo, on Chile's southern coast, since it opened last month.
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41.
Machine learning started making its (11) _____ into industry in the early '90s. It started with relatively simple tasks. It started with things like (12) _____ credit risk from loan applications, sorting the mail by reading handwritten characters from zip codes. Over the past few years, we have made dramatic (13) _____. Machine learning is now
(14) _____ of far, far more complex tasks. In 2012, Kaggle challenged its community to build an algorithm that could grade high-school essays. The winning algorithms were able to (15) _____ the grades given by human teachers. Last year, we issued an even more difficult challenge.
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46.
Other creatures that live in the waters include blue whales, fin whales and sea otters. A mining company called Andes Iron had wanted to (16) _____ millions of tons of iron and copper in the north of Chile. It also wanted to build a new port to (17) _____ the mining process. Chile's Environment Minister told reporters: "I firmly believe in development, but it cannot be at the cost of our environmental (18) _____ or cause risk to health, or to unique ecological areas in the world." Chile's National Mining Society said the decision was bad news for mining and for the country. It said the mining project was (19) _____ for the economic development of the region and the country. The controversial mining project would have generated $2.5 billion in (20) _____.
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101. Part 4: Prepositions
141. Part 5: Word Building