六遥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