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【单选题】
党的十九大明确指出,我国社会主义矛盾已经转化为( )
A.
人民日益增长的美好生活需要和不平衡不充分的发展之间的矛盾
B.
人民日益增长的物质文化需要和不平衡不充分的发展之间的矛盾
C.
人民日益增长的精神文化需要和不平衡不充分的发展之间的矛盾
D.
人民日益增长的美好生活需要和落后的社会生产之间的矛盾
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地接社
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组团社
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下榻饭店
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【简答题】What is the topic Sentence of fifth paragraphof Part B? Today you can avoid being restricted by proprietary software by not using it. If you run GNU/Linux or another free operating system, and if you ...
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【简答题】Suppose users share a 2 Mbps link. Also suppose each user transmits continuosly at 1 Mbps when transmitting, but each user transmits only 20 percent of the time. (See the discussion of statistical mul...
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【简答题】3 Suppose users share a 2Mbps link. Also suppose each user transmits continuously at 1 Mbps when transmitting, but each user transmits only 20 percent of the time. a. When circuit switching is used, h...
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【单选题】( )是在网络层上实现多个网络互连的设备,它可以实现不同高层协议间的转换。
A.
DNS
B.
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【单选题】如果地方导游人员在接到旅游团后发现该团人数发生了变化，应及时通知()，变更旅游团的住宿和餐饮安排。
A.
组团社
B.
地接社
C.
下榻饭店
D.
旅游局
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【简答题】( )是在网络层上实现多个网络互连的设备,它可以实现不同高层协议间的转换。
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【判断题】在网络层上实现多个网络互连的设备是路由器
A.
正确
B.
错误
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【单选题】The database administrator of your company created a public synonym called HR for the HUMAN_RESOURCES table of the GENERAL schema, because many users frequently use this table. As a user of the databa...
A.
You obtain the results retrieved from the public synonym HR created by the database administrator.
B.
You obtain the results retrieved from the HR table that belongs to your schema.
C.
You get an error message because you cannot retrieve from a table that has the same name as a public synonym.
D.
You obtain the results retrieved from both the public synonym HR and the HR table that belongs to your schema, as a Cartesian product.
E.
You obtain the results retrieved from both the public synonym HR and the HR table that belongs to your schema, as a FULL JOIN.
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【简答题】在网络层上实现多个网络互连的设备是( )
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【单选题】如果地方导游人员在接到旅游团后发现该团人数发生了变化，应及时通知()，变更旅游团的住宿和餐饮安排。
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【单选题】如果地方导游人员在接到旅游团后发现该团人数发生了变化，应及时通知()，变更旅游团的住宿和餐饮安排。
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【简答题】( )是在网络层上实现多个网络互连的设备,它可以实现不同高层协议间的转换。
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【判断题】在网络层上实现多个网络互连的设备是路由器
A.
正确
B.
错误
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【单选题】The database administrator of your company created a public synonym called HR for the HUMAN_RESOURCES table of the GENERAL schema, because many users frequently use this table. As a user of the databa...
A.
You obtain the results retrieved from the public synonym HR created by the database administrator.
B.
You obtain the results retrieved from the HR table that belongs to your schema.
C.
You get an error message because you cannot retrieve from a table that has the same name as a public synonym.
D.
You obtain the results retrieved from both the public synonym HR and the HR table that belongs to your schema, as a Cartesian product.
E.
You obtain the results retrieved from both the public synonym HR and the HR table that belongs to your schema, as a FULL JOIN.
查看完整题目与答案
【简答题】在网络层上实现多个网络互连的设备是( )
查看完整题目与答案