题目

 “生活质量”是经济、社会和生态等因素共同影响的结果。下图为生活质量与GDP和电力消耗量关系示意图。读图回答3～4题。 3．从图中可以看出( ) A．人均GDP越高，生活质量越高 B．人均电力消耗量与生活质量相关性不明显 C．人均GDP在3～6千美元时，生活质量有所下降 D．人均GDP在3～6千美元时，人均用电量会呈下降趋势 4．此图给我们的启示，正确的说法是( ) A．环境问题的实质是发展问题，它必须在经济得到大发展后才能得到彻底治理 B．我国应 阅读理解 The Touchstone 　　When the great library of Alexandria burned, the story goes, one book was saved．But it was not a valuable book; and so a poor man, who could read a little, bought it for very little money． 　　The book wasn't very interesting, but between its pages there was something very interesting indeed．It was a thin strip of vellum on which was written the secret of the“Touchstone”!The touchstone was a small pebble that could turn any common metal into pure gold． 　　The writing explained that it was lying among thousands and thousands of other pebbles that looked exactly like it．But the secret was this：The real stone would feel warm, while ordinary pebbles are cold． 　　So the man sold his few belongings, bought some simple supplies, camped on the seashore, and began testing pebbles．He knew that if he picked up ordinary pebbles and threw them down again because they were cold, he might pick up the same pebble hundreds of times．So, when he felt one that was cold, he threw it into the sea．He spent a whole day doing this but none of them was the touchstone．Yet he went on and on this way．Pick up a pebble．Cold-throw it into the sea．Pick up another．Throw it into the sea．Pick up another．Throw it into the sea． 　　The days stretched into weeks and the weeks into months．One day, however, about mid-afternoon, he picked up a pebble and it was warm．He threw it into the sea before he realized what he had done．He had formed such a strong habit of throwing each pebble into the sea that when the one he wanted came along he still threw it away． 　　So it is with opportunity．Unless we are careful, it's easy to fail to recognize an opportunity when it is in hand, and it's just as easy to throw it away． (1) The man bought the book because ________． [　　] A． he wanted to read it B． it was very interesting C． there was a secret in the book D． he wanted to find the touchstone (2) We can learn from the passage that the touchstone is ________． [　　] A． pure B． cold C． magic D． big (3) Why did the man throw the pebbles into the sea? [　　] A． Because he didn't want to get the same pebbles． B． Because he didn't want others to pick them up． C． Because he didn't like their ordinary looks． D． Because he didn't like the cold feelings． (4) What does the author want to tell us in the passage? [　　] A． We should offer opportunities in our life． B． We should seek for opportunities in the world． C． We may seize opportunities when we are watchful． D． We may discover opportunities when forming habits．