包装药品的灭菌
A.干热灭菌B.湿热灭菌C.滤过除菌D.紫外灭菌E.辐射灭菌
参考答案:E
解析:掌握物理灭菌的方法及其应用。
已知等差数列{an}和等比数列{bn}满足:a1+b1=3,a2+b2=7,a3+b3=15,a4+b4=35,则a5+b5=______.
When you go outing with the children, you must see to ______that they are safe.
A.them
B.everything
C.it
D.yourself