.如果正当利用，科学将造福人类，如果利用不当，科学将引发灾难。
79. so it’s up to us to make science a blessing rather than a curse to mankind.让科学造福而非引发祸端，这是我们的责任。
80. propagate endangered animal species促进濒危动物种群的繁衍。
81.produce replacement organs for transplant patients 为病人制造可用于移植的替代器官。
82. the same applies to robots.机器人也存在着相同的问题。
83. the concern is good for it calls for adequate attention to the problems of modern technology and the steps to be taken to guide the direction of its development.此类想法不无裨益，它能唤起人们对现代科技技术带来的问题的足够重视，同时促使人们采取措施引导技术的发展方向。
84. come up with 想出，找出(答案，计划等)
85. tools are the milestones of technology as well as human being’s progress.工具是科技进步和人类进步的里程碑。
86. medical breakthrough医学上的重大突破
87. eradicate根除
88.(be) popular with…受到……的欢迎
89.(be) enslaved使沦为奴隶