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【判断题】
在互联网的网络路由器中转发IP分组的物理传输过程与数据报转发机制称之为分组交付A.
正确
B.
错误
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举一反三
【单选题】The term power-driven vessel means _______in these Rules.
A.
any sailing vessel with propelling machiner
B.
any vessel propelled by machiner
C.
any sailing vessel with or without machinery for propelling
D.
any sailing vessel with propelling machinery not in use
【简答题】2010年某市初中毕业、升学考试各学科及满分值情况如下表：若把2010年某市初中毕业、升学考试各学科满分值比例绘成扇形统计图，则数学学科所在的扇形的圆心角是( )度
【单选题】已知要传送的二进制数据是10010111,除数是1100,则循环冗余校验码是()。
A.
100101111100
B.
10010111
C.
10010111000
D.
10010111100
【单选题】What do we learn about deep sea mining? PASSAGE After decades of being on the back burner owing to costs far outweighing benefits, deep sea mining is now emerging as a serious threat to the stability ...
A.
Deep sea mining has generated great benefits to our life.
B.
Deep sea mining has posed a serious threat to ocean systems.
C.
Cost-effective technology for deep sea mining has been developed.
D.
A perfect penalty system for deep sea mining has been established.
【单选题】用诗句来形容彭祥华,不适当的是( )
A.
莫听穿林打叶声,何妨吟啸且徐行。
B.
千磨万击还坚劲,任尔东西南北风。
C.
千锤万凿出深山,烈火焚烧若等闲。
D.
读书不觉已春深,一寸光阴一寸金。
【单选题】女30岁,第一胎38周临产,助产士指导产妇使用腹压促进产程进展,最有效的时间是
A.
第一产程开始宫缩时
B.
第一产程末宫缩时
C.
第二产程开始宫缩时
D.
第二产程末宫缩时
E.
第三产程开始宫缩时
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