残余体不具有的形态结构是
A． 微粒体
B．含铁小体
C．髓样结构
D．脂褐素
参考答案：A
Many personnel managers say it is getting harder and harder to ________ honest applicants from the
growing number of dishonest ones. [ ]
A. distinguish
B. disguise
C. dismiss
D. discount
下述哪种病毒是DNA病毒
A．HAV
B．HBV
C．HCV
D．HDV
E．HEV
