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浅基础根据使用材料的性能分为( )和( ),前者( )性能好而抗拉强度很低,在设计( )的要求
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【简答题】Listening 1听力要求:在章节unit 1听力任务中听listening 1,完成课本p6-p7的对话,在听听力之前,可先预估自己能填出的单词。并熟练朗读对话。
【单选题】When the system upon which a transport entity is running fails and subsequently restarts,the(21) information of all active connections is lost. The affected connections become half-open, as the side t...
A.
data
B.
state
C.
signal
D.
control
【单选题】When the system upon which a transport entity is running fails and subsequently restarts,the(21) information of all active connections is lost. The affected connections become half-open, as the side t...
A.
stops
B.
restarts
C.
expires
D.
abandons
【简答题】在章节-unit4-听力任务中听listening 1, 完成p67listening 1的对话,并请熟读对话。
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