Living is risky. Crossing the road, driving a car, flying, swallowing an aspirin table or eating a chicken sandwich-they can all be fatal. Clearly some risks worth taking, especially when the --61. rewards 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 --62. medicine a few procedures, drugs, operations or tests --63. are really a mater of life and death. There may be sound medicine reasons are --64. in the balance of risks and benefits for the --65. patients.
Surgery for cancer may cure or prolong a life, but the removal of tonsils(扁桃体） cannot save anything a --66. sore throat. Blood pressure drugs definitely help some people live after a heart attack, but these same drugs may be both necessary and harmful for those with only --67. mild blood pressure problems.
Deciding how much discomfort and risk we are preparing --68. to put up with in the name of better health is a high --69. personal matter, not a decision we should remain to --70. doctors alone.
答案：61. risks ∧ worth → are 62. its → his 63. a few → few 64. medicine → medical 65. in → on 或 upon 66. anything ∧ a → but 或 except 67. necessary → unnecessary 68. preparing → prepared 或 ready 或 willing 69. high → highly 70. remain → leave
--64.
