题目

阅读下面短文，按照要求完成阅读任务。In the last week, terrible floods have hit Prague, the beautiful old capital city of the Czech Republic. These are the worst floods for over 100 years, leaving thousands of people without homes.The floods rushed into Prague zoo as well, and hundreds of zoo animals had to swim for their lives. One of the monkeys drowned in two minutes, because the place where he lived was covered by water.An elephant, called Kadir, also drowned, but his death helped to save other animals. Kadir was famous because he had appeared on TV. When they heard the ne用整体代入法解下列方程组： (1)；(2)