【单选题】结核分枝杆菌经抗酸染色后呈红色是因为
B.
结核分枝杆菌含脂质较多,盐酸酒精不易使之脱色
C.
脱色所用盐酸酒精PH过低,不易使结核分枝杆菌脱色
【判断题】( )电阻器主要起着稳定或调节电压电流、调节音量的作用。
【单选题】Enough______ to stop the forest______ since the 1980’s.
A.
has been done;be cut down
C.
has been done;being cut down
D.
had done;from being cut down
【单选题】Georgealways wants things done quickly . He ’ s got to .
【简答题】What you have done is _____ the doctor’s orders. A. attached to B. resistant to C. responsible to D. contrary to
【单选题】结核分枝杆菌经抗酸染色后呈红色是因为
B.
结核分枝杆菌合脂质较多,盐酸酒精不易使之脱色
C.
脱色所用盐酸酒精pH过低,不易使结核分枝杆菌脱色
【单选题】一个主机中有2块主机板,构成双机热备冗余结构。主机板核心为()结构,具有高安全性。