对培养基进行灭菌时,其杀灭对象是以破坏微生物的()为标准。
A.营养体细胞
B.孢子
C.数量
D.芽孢
参考答案:D
Drivers shouldn’t be allowed _______ after drinking, or they will break the law.
A. drive B. driving C. to drive
一般成人插入胃管长度
A.45~55cmB.40~60cmC.45~60cmD.55~65cmE.45~G5cm