Living is risky. Crossing the road, driving a car, flying, swallowing an aspirin tablet or eating a chicken sandwich they can all be fatal. Clearly some risks worth 71.__________ taking, especially when the rewards are high: a man surrounded by flames and smoke generally considers that jumping out of a second-floor window is an acceptable risk to save its life. But in medicine 72. _________ a few procedures, drugs, operations or tests are really a matter of life and 73. _________ death. There may be sound medicine reasons for accepting electrical 74. ________ shock treatment, but such reasons are totally dependent in the balance of 75. ________ risks and benefits for the patients. Surgery for cancer may cure or prolong a life, but the removal of tonsils (扁桃体) cannot save anything a sore throat. Blood pressure drugs 76. _______ definitely help some people live after a heart attack, but these same drugs may be both necessary and harmful for those with only mild blood pressure 77. _______ problems. Deciding how much discomfort and risk we are preparing to put up 78. _______ with in the name of better health is a high personal matter, not a decision 79. ________ we should remain to doctors alone. 80. _______
71. (worth), are (worth) 72. its, his 73. a (few), /(few) 74. medicine, medical 75. in, upon/on 76. (anything), (anything) but / except 77. necessary, unnecessary/useless 78. preparing, prepared/ ready / willing 79. high, highly 80. remain, leave
