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【单选题】
因特网中两个异构的局域网,通过一个路由器互连,那么路由器上应至少配置______个IP地址。
A.
2
B.
1
C.
3
D.
4
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【判断题】渗碳体的硬度很高、脆性很大,塑性和韧性几乎为零,不能单独使用。
A.
正确
B.
错误
【简答题】But he is having a nice time there. He has a comfortable
【判断题】渗碳体具有高熔点,高硬度;但塑性和韧性几乎为零,脆性极大,渗碳体是钢中的主要强化相。
A.
正确
B.
错误
【判断题】圆韧带为固定宫颈位置保持子宫不致下垂的主要结构。
A.
正确
B.
错误
【判断题】销售订单上的摘要不可以携带到销售出库单和销售发票上。
A.
正确
B.
错误
【单选题】Almost all of his time ______ experiments, he has no time to visit his parents.
A.
devoted to do
B.
devoted to doing
C.
devoting to doing
D.
is devoted to doing
【单选题】Almost all of his time ______ experiments, he has no time to visit his parents.
A.
devoted to do
B.
devoting to doing
C.
devoted to doing
D.
is devoted to doing
【判断题】渗碳体的塑性和韧性几乎为零。
A.
正确
B.
错误
【单选题】All her time ________ experiments, she has no time for films.
A.
devoted to do
B.
devoted to doing
C.
devoting to doing
D.
is devoted to doing
【判断题】渗碳体的硬度很高,塑性和韧性几乎为零。
A.
正确
B.
错误
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