六级考试暑期备考的改错练习(6)

　　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 totally dependent --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