英语翻译
3.He proudly claimed in court that despite his complete lack of medical experience or qualifications,he had saved several people's lives.
4.The scientist's next research job was clear:Find out what in the fish's blood kept it from freezing.Their search led to some really strange thing made up of a protein never before seen in the blood of a fish.
5.They were surprised to find that the harmful effect of given amount of physical effort was actually less on the hearts of these trained patients than on those of the patients who were not similarly trained.