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6-24 试述邮局协议 POP 的工作过程。在电子邮件中,为什么需要使用 POP 和 SMTP 这两个协议? IMAP 与 POP 有何区别?
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【简答题】The Soviet Union was not being listed as a third—world nation just because of____．
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【单选题】单个用户使用的数据视图的描述属于()
A.
外模式
B.
概念模式
C.
内模式
D.
存储模式
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【单选题】The awakening __________ of Africa (country, state, nation, land)
A.
country
B.
state
C.
land
D.
nation
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【单选题】左雄字伯豪,南阳涅阳人也。安帝时,举孝廉,稍迁冀州刺史。州部多豪族,好请托,雄常闭门不与交通。奏案贪猾二千石,无所回忌。 永建初,公车征拜议郎。时,顺帝新立,大臣懈怠,朝多阙政,雄数言事,其辞深切。尚书仆射虞诩以雄有忠公节,上疏荐之曰:“臣见方今公卿以下,类多拱默,以树恩为贤,尽节为愚,至相戒曰:‘白璧不可为,容容多后福。’伏见议郎左雄,数上封事,至引陛下身遭难厄,以为警戒,实有王臣蹇蹇之节,周公...
A.
民用和穆，礼让以兴醉则更相枕以卧， 卧而梦
B.
宰府州郡乃得辟举项伯乃夜驰之沛公军
C.
而宦竖擅权声非加疾也，而闻者彰
D.
由是天下服焉唯倜傥非常之人称焉
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【判断题】Is China the third largest country in the world?()
A.
正确
B.
错误
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【单选题】China has became the third nation to send a person into space______________.
A.
successfully
B.
probably
C.
luckily
D.
rapidly
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【单选题】The awakening __________ of Africa (country, state, nation, land)
A.
state
B.
country
C.
nation
D.
land
查看完整题目与答案
【单选题】Canada is a big _______ and the Chinese _______ is a great people. [     ]
A.
nation; country
B.
country; country
C.
country; nation
D.
nation; nation
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【简答题】恩惠,托福( )
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【单选题】'A nation on wheels' means that___________
A.
the country is producing the best cars in the world
B.
everyone in this country owns a car
C.
cars play a very important role in people lives
D.
there are more cars than trains in this country
查看完整题目与答案
相关题目：
【简答题】The Soviet Union was not being listed as a third—world nation just because of____．
查看完整题目与答案
【单选题】单个用户使用的数据视图的描述属于()
A.
外模式
B.
概念模式
C.
内模式
D.
存储模式
查看完整题目与答案
【单选题】The awakening __________ of Africa (country, state, nation, land)
A.
country
B.
state
C.
land
D.
nation
查看完整题目与答案
【单选题】左雄字伯豪,南阳涅阳人也。安帝时,举孝廉,稍迁冀州刺史。州部多豪族,好请托,雄常闭门不与交通。奏案贪猾二千石,无所回忌。 永建初,公车征拜议郎。时,顺帝新立,大臣懈怠,朝多阙政,雄数言事,其辞深切。尚书仆射虞诩以雄有忠公节,上疏荐之曰:“臣见方今公卿以下,类多拱默,以树恩为贤,尽节为愚,至相戒曰:‘白璧不可为,容容多后福。’伏见议郎左雄,数上封事,至引陛下身遭难厄,以为警戒,实有王臣蹇蹇之节,周公...
A.
民用和穆，礼让以兴醉则更相枕以卧， 卧而梦
B.
宰府州郡乃得辟举项伯乃夜驰之沛公军
C.
而宦竖擅权声非加疾也，而闻者彰
D.
由是天下服焉唯倜傥非常之人称焉
查看完整题目与答案
【判断题】Is China the third largest country in the world?()
A.
正确
B.
错误
查看完整题目与答案
【单选题】China has became the third nation to send a person into space______________.
A.
successfully
B.
probably
C.
luckily
D.
rapidly
查看完整题目与答案
【单选题】The awakening __________ of Africa (country, state, nation, land)
A.
state
B.
country
C.
nation
D.
land
查看完整题目与答案
【单选题】Canada is a big _______ and the Chinese _______ is a great people. [     ]
A.
nation; country
B.
country; country
C.
country; nation
D.
nation; nation
查看完整题目与答案
【简答题】恩惠,托福( )
查看完整题目与答案
【单选题】'A nation on wheels' means that___________
A.
the country is producing the best cars in the world
B.
everyone in this country owns a car
C.
cars play a very important role in people lives
D.
there are more cars than trains in this country
查看完整题目与答案