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Unit 8 Part B A Terrible Disease The phone rang and it was my husband Jack asking me to take some lunch to his office. As I drove off, I noticed a new shopping center. Strange I hadn't noticed it before. Near his office I also saw a fire station I di
Giving CPR Joyce: Lie down on the floor. Steve: Why? Joyce: I have to practice for my CPR exam tomorrow. Im taking it so I can get my CPR certification. Lie down please. Steve: Okay, okay. Now what do I do? Joyce: You just lie there and pretend to be
Listen this way听力教程第二册-14
Doctors Achieve Milestone Using Artificial Heart With No Beat In March, two doctors at the Texas Heart Institute in Houston achieved what medical experts call a major milestone by implanting a continuous-flow artificial heart in a human patient. The
Cardiac medicine has made tremendous strides since the 1950s, when surgeons placed the first experimental artificial valves in the human heart. One of the pioneers in that field is Dr. Albert Starr, who co-invented the heart value - which has extende
Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear