题目

How to Be a WinnerSir Steven Redgrave  Winner of 5 Olympic Gold Medals  “In 1997 I was found to have developed diabetes （糖尿病） . Believing my career （职业生涯）was over, I felt extremely low. Then one of the specialists said there was no reason why I should stop training and competing. That was it----the encouragement I needed. I could still be a winner if I believed in myself. I am not saying that it isn’t difficult sometimes. But I wanted to prove to myself that I wasn’t finished yet. Nothing is to stand in my way.”  Karen Pickering  Swimming World Champion  “I下列各项内容中，属于化学学科研究的是（ ）A. 综合利用石油生产优良人造纤维B. 设计新程序，开发电脑新功能C. 培植新花品种，增加观赏价值D. 利用指南针确定航海方向