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【单选题】
关于可变间隔计划,不正确的是:A.
平均时间间隔是预先确定的
B.
消退是渐进的，并且比固定间隔计划要慢很多
C.
不定时发布高奖励任务无法调动玩家积极性
D.
能够产生稳定和持续性的行为
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举一反三
【简答题】Jack, ______ to be here at 8o’clock. A. issure B. is sure that C. willbe sure D. be sure
【单选题】The accommodation officer received details of some accommodation ______.
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.
【简答题】阅读理解。 Jack Johnson is one of the most popular singer-song writers in the world. Jack was born on May 18. 1975 in Hawaii Being the song of a famous surfer. Jack usually has an interest in surfing. Most...
【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.
转发该报文
D.
如果缺省路由存在则按照缺省路由转发，否则丢弃
【单选题】听力原文： Scientists in many developing nations are studying a way to protect and control the use of forests, fishing water, grasslands and other resources. They call the system 'common property'. It mean...
A.
Property owned by a group of people.
B.
Privately-owned property.
C.
Government-owned property.
D.
People's joint effort to share and protect natural resources.
【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.
转发该报文
【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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