ISO14000系列标准是国际标准化组织制定的有关（）的系列标准.A、健康标准 B、 发布时间：2017-07-19 07:18 │ 来源：www.tikuol.com 题型：单项选择题 问题： ISO14000系列标准是国际标准化组织制定的有关（）的系列标准.A、健康标准B、食品工业C、药品生产D、环境管理
题型：单项选择题 完形填空。 Liu Yu, a fifteen-year-old student from Shangdong, is a running star. He is 1 his school running team and has always wanted to be a professional athlete. However, his parents won't allow him to train as 2 as he would like to. "Of course we want to see Liu YU achieve his dreams," says Mr. Liu, "and we know 3 he loves running. That's great, and my wife and I have watched him in every one of his races. We have nothing against running! But we do think that our son needs to be realistic. Now that he is getting older, he needs to think about what 4 if he doesn't become a professional runner in the end." Liu Yu doesn't really agree. "Well, I think I should 5 to make decisions for myself," he says. "My parents have always taught me the importance of working hard and not just to do 6 I enjoy. I understand this. But I'm serious about running. Being a professional runner is the only thing I have ever wanted to do." Mr. and Mrs. Liu believe that Liu Yu should study hard in the evenings, and so they don't allow him to practice running 7 school nights. "I know this might seem strict," says Mrs. Liu, "but we think we're doing the right thing. He has to understand that very 8 people can become professional athletes. It's a very 9 dream to achieve. We don't allow him to practice every day because we think he needs to spendtime on his homework." But Liu Yu still doesn't agree. "I know my parents care about me," he says. "But they are always talkingabout what will happen if I don't succeed. But I will succeed! I think I should be allowed to make this decision for myself. Only then 10 I have a chance of achieving my dream." ( )1. A. in ( )2. A. much ( )3. A. how often ( )4. A. happens ( )5. A. allow ( )6. A. that ( )7. A. at ( )8. A. little ( )9. A. difficult ( )10. A. do B. on B. more B. how long B. will happen B. be against B. what B. on B. a few B. easy B. will C. at C. many C. how much C. will take place C. be allowed C. which C. during C. few C. exciting C. / 查看答案