单项选择题

某细菌2h中繁殖了5代，该菌的代时是( )。
A．15min B．24min C．30min D．45min

A.15min
B.24min
C.30min

你可能感兴趣的试题

A．It had a strange accent.
B．It was difficult to understand.
C．It had a strong Italian accent.
D．It was easy to understand.

A.It
B.
B．It
C.
C．It
D.
D．It
E.

A．Sending the next package earlier.
B．Waiting patiently.
C．Using air freight.
D．Looking for the package.

A.Sending
B.
B．Waiting
C.
C．Using
D.
D．Looking
E.