E-试验
参考答案：
E-试验是一种结合稀释法和扩散法原理对抗菌药物直接定量的药敏试验技术。
— Has Tim started? He said he would join in the party.
— He ____．He is a man of keeping his word.
A．could have left
B．must have left
C．can’t come
D．won’t be coming
贷款重组后借款人经营性现金流量确实可以满足还款要求，经过（）观察期后正常分期归还本金两期以上、付息正常的，可不再视为重组贷款，按相关规定进行分类。
A.1个月
B.3个月
C.6个月
D.12个月
