题目

在自然界中，孔雀开屏属于哪种生命活动 A.美化环境        B.生长           C.生殖      D.获取营养物质 答案：C阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。You are twenty-one years old and live a happy and peaceful life. 【1】 one day, your doctor tells you that you have a serious disease and will die soon. What would you do? 【2】 (probable) most of us might feel very sad and give up our dreams and hopes for the future. Here is 【3】 the great scientist, Stephen Hawking, did.Hawking wasn’t 【4】 (discourage) because of his physical condition. 【5】 , he went on with his study of the universe. In 2002, Hawking was invited to China. He told Chinese students about his theories and thoughts 【6】 some of the greatest questions: what is time, how the universe began, and what are black holes. He impressed the audience with his humor, confidence and of course his 【7】 (wise).Hawking became famous in the early 1970s. In 1988, he wrote A Brief History of Time, in 【8】 he explained difficult theories in a simple way. The book 【9】 (sell) well since it came out.Stephen Hawking is a man with a strong will and he is regarded as the 【10】 (great) mind in physics since Albert Einstein.