题目

下列A、B、C三图依次表示酶浓度一定时，酶的反应速度与反应物浓度、温度、PH之间的关系．请据图回答： （1）图A中，反应物达到某一浓度时，反应速度不再上升，其原因是     ． （2）图B中，a点所对应的温度称    ． （3）图B中，a点到b点曲线急剧下降，其原因是           ． （4）将装有酶与反应物的甲、乙两试管分别放入12℃和75℃水浴锅中，20分钟后取出转入37℃的水浴锅中保温，两试管内反应分别应为：甲          ，乙      �Kong Zi , also called Confucius (551-479 B.C) , and Socrates（苏格拉底） (469-399 B. C) lived only a hundred years apart , and during their lifetimes there was no contact （联系）between China and Greece, but it is interesting to look at how the world that each of these great philosophers（哲学家） came from shaped their ideas , and how these ideas in turn ,shaped their societies.Confucius suggested the Golden Rule as a principle for the conduct of life:” Do not do to others what you would not want others to do to you.” He assumed that all men were equal at birth, though some bad more potential than others, and that it was knowledge that set men apart. Socrates focused on the individual, and thought that the greatest purpose of man was to seek wisdom. He believed that the superior class should rule the inferior(下层的)classes.For Socrates, the family was of no importance, and the community of little concern. For Confucius, however, the family was the centre of the society, with family relations considered much more important than political relations.Both men are respected much more today than they were in their lifetimes.【小题1】Which of the following is TURE according to the first paragraph?A．Socrates and Confucius had much in common,B．Confucius had much influence on Socrates’ ideas.C．The societies were influenced by the philosophers’ ideas.D．There were cultural exchanges between China and Greece.【小题2】Socrates shared with Confucius the idea that           .A．all men were equal when they were bornB．the lower classes should be ruled by the upper classC．the purpose of man was to seek freedom and wisdomD．people should not ask others to do what they did not want to【小题3】What made some people different from others according to Confucius?A． Family.B．Potential（潜力）. C．Knowledge.D．Community.