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【单选题】
某含St，ad=0.45%，表示100克中含St，ad为( )克。A.
0.45
B.
0.0045
C.
0.045
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【简答题】Jack, ______ to be here at 8o’clock. A. issure B. is sure that C. willbe sure D. be sure
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A.
the day before Martina made the appointment.
B.
the day Martina made the appointment.
C.
the day after Martina made the appointment.
D.
the day before he met Martina.
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A.
丢掉该报文
B.
将该报文分片
C.
转发该报文
D.
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A.
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B.
Privately-owned property.
C.
Government-owned property.
D.
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【单选题】当路由器接收的报文的目的IP地址在路由表中没有匹配的表项时，采取的策略是( )
A.
丢掉该报文
B.
将该报文分片
C.
如果缺省路由存在则按照缺省路由转发，否则丢弃
D.
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【单选题】Jack, ______ to be here at 8 o’clock.
A.
is sure
B.
is sure that
C.
will be sure
D.
be sure
【单选题】When does the accommodation officer think other accommodation will be available?
A.
In the next few days.
B.
In the next few weeks.
C.
Not for along while.
D.
He doesn't know.
【单选题】The university accommodation officer will( )
A.
send a list of agents for students to contact.
B.
contact accommodation agencies for students.
C.
ensure that students have suitable accommodation.
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