简述酸碱滴定法在有机酸类成分分析中的应用。

双向翻译（共5小题；每小题2分，满分10分）

请根据上下文内容，将文中划线部分译成汉语或者英语，并将答案转写到答题卡上。

Good evening. Today Mr. Johnson, a member of the International Olympic Committee visited a high school in Beijing.61. 在演讲时，他描述了古代奥运会 and gave examples of some of the sports that still continue today. Athletes at the ancient games could only be men who spoke Greek, 62. 但是如今全世界各地的男女选手都能参加比赛了。The modern games, first held in 1896, were designed to make it possible for countries and people to live peacefully together. 63. 约翰逊先生还谈到一些著名的运动员 who have made Olympic history. He stated that Olympians had brought joy to people across the world with their attempts to push the limits of human achievements. 64. One example is Michael Jordan who won his second Olympic gold medal after a long break. Mr. Johnson also mentioned Deng Yaping, 65. She won many gold medals as an Olympian before retiring.

Mr. Johnson ended his speech by wishing the Olympic movement a successful future to match its golorious past. The audience really enjoyed his speech.

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一个碳原子的质量是1.993×10^-26kg，一个氯原子的质量是5.888×10^-26kg，则氯原子的相对原子质量是______；相对原子质量为M，核内中子数为N的原子A，其核外电子数是______．（如果除不尽，保留小数点后一位）

慢性缩窄性心包炎麻醉的主要危险是（）

A.心脏活动受限

B.呼吸困难

C.动脉压下降和心率减慢

D.静脉压升高

E.低钠血症

煤气管道钢支架安装的轴线与定位轴线的偏差不得超过（）。

A.15毫米

B.10毫米

C.5毫米

证券公司办理集合资产管理业务，设立集合资产管理计划，应当符合的要求之一是设立非限定性集合资产管理计划的，净资本不低于人民币3亿元。( )