锱铢必较zÿ zhū bì jiào: 锱、铢
参考答案：
都是古代很小的重量单位。形容非常小气，很少的钱也一定要计较。也比喻气量狭小，很小的事也要计较。
Lei Feng ____ a lot of things for others in his life, people thanked him for what he _____.[ ]
A. did; had done
B. had done; had done
C. had done; did
D. did; did
以下不属于公共卫生执法程序的是（）。
A.预防性和经常性卫生监督程序
B.公共卫生行政强制执行程序
C.卫生许可证发放程序
D.公共卫生行政处罚程序
E.医药审批程序
