题目内容
Make sure to ______ the children ______ swimming in the dirty river.
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Peter said he was in no ______ for going to the movie with me because he had to make preparations for his GRE.
Basketball is a sport enjoyed by millions of fans in at least 100 countries. It's one of the best-known sports in the world. It all began in 1891.
Dr. James A. Naismith, the father of basketball, was an instructor at a YMCA(基督教) Training school. The school trained people to work in YMCAs. Officials at the school were concerned about the low attendance during the winter months. They felt that people didn't attend then because the school did not have a good winter sports program. So they asked Dr. Naismith for help. He came up with a new indoor game.
Naismith studied current games. He found that all the most popular games used a ball. So a ball would be a part of his new game, he decided. But kicking the ball or hitting it would be too rough for indoor. So he put 2 peach baskets up on poles. The players had to try to throw a soccer ball into them. Naismith then made thirteen rules for the game. 12 of them are still in use today. Just 7 years after the game began, professional basketball teams were formed.
And that's how basketball was born.
Which of the following would be the best title for the passage？
Which one of the following statements is TRUE according to the passage？
某建筑场地抗震设防烈度为7度，地基设计基本地震加速度为0.15g，设计地震分组为二组，地下水位埋深2.0m，未打桩前的液化判别等级如表，采用打入式混凝土预制桩，桩截面为400mm×400mm，桩长l＝15m，桩间距s＝1.6m，桩数20×20根置换率ρ＝0.063，打桩后液化指数由原来的12.9降为()。
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