吻合口瘘常发生于食管癌术后（）
A.2～3天
B.3～5天
C.5～6天
D.7～10天
E.14天以后
参考答案：C
Most creative ideas are laughed at when they are first _____. [ ]
A. put away
B. put off
C. put through
D. put forward
简述应用平衡膳食宝塔需注意的问题。
