分离培养螺旋体时需用Korthof培养基其中含有()
A.5%的羊血清
B.10%的兔血清
C.10%的羊血清
D.5%的兔血清
E.1%的牛血清
参考答案:B
Each of the 400 people received from their boss____ gift——“Who moved my cheese?”——____ best-seller in the US——to understand how to deal with changes in their lives and work.
A.the; 不填
B.a;a
C.a;不填
D.the;a
系统提供的存款冻结方式分为()
A.全部冻结
B.部分冻结
C.单向冻结