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【单选题】
B类地址的默认屏蔽码是__________。
A.
255.255.255.255
B.
255.255.255.0
C.
255.255.0.0
D.
255.0.0.0
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参考答案：
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【简答题】This is _______  bee [     ] A  a B  an
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【单选题】The woman sitting next to me ________ very nervous, for she had never travelled by air.
A.
is
B.
has been
C.
was
D.
had been
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【单选题】Never before _____ in greater need of modern public transport than it is today. [     ]
A.
Beijing has been
B.
has Beijing been
C.
was Beijing
D.
Beijing was
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【判断题】常量数学时期跨越的时间为17世纪-19世纪中叶
A.
正确
B.
错误
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【单选题】What does the author mean by saying'if horses could have voted, there never would have been cars' ?
A.
History is determined by a series of accidental s.
B.
The upgrade of technology is accelerating in modern society.
C.
There is always strong resistance to new advancement in technology.
D.
It is inevitable that the outdated productive force be replaced by advanced force.
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【单选题】阅读下面文字，完成后面提出的 41～44 题。 人与生物圈计划中国有，世界其他国家也有。目的是寻求同一个答案——为什么人们在享受自己获得的和创造的财富时，会时时受到大自然种种惩罚?因为在土壤侵蚀、沙漠化、滥伐森林、越来越多的物种濒临灭绝、环境污染等所导致的生态系统退化中，已经意识到能登月球、造核武器的人类，还没有真正揭开人与生物圈之间的秘密，对于人的自身生产和人的经济行为应该如何与生存环境相协调、...
A.
揭开人与生物圈之间的秘密，人类才能创造更多的财富
B.
人类发展与生态环境退化的严重矛盾教育人类自身
C.
全球性的人口、资源、环境的挑战日益严重
D.
人类在获得和创造财富的同时受到大自然的种种惩罚
查看完整题目与答案
【单选题】The fans never expected their favourite team, which owns so many excellent players, ________have been defeated in the first round!
A.
must
B.
should
C.
might
D.
could
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【简答题】材料一：我国北方有大面积的缺水地区，干旱灾害时常危害农业生产和人民生活。2008年冬到2009年春，我国北方冬小麦主产区的8个省市遭遇50年来的特大干旱，受灾面积达到1．57亿亩。在中央统一部署下，遭遇旱灾地区的各级政府迅速启动抗旱救灾紧急预案，紧急调拨资金、物资，组织干部群众和解放军官兵，全力抗旱救灾，取得了显著成效。 材料二：2009年3月，国务院颁布了《抗旱条例》。按照《条例》，在紧急抗旱时...
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【简答题】A thirsty bee went to a river to drink. As it was drinking, the bee was away by the running water. A kind bird saw that the bee was in . It picked off a tree and threw into the water in front of the b...
查看完整题目与答案
【简答题】144～145 题共用题干： 男性，63岁，因前列腺增生，排尿困难，要求手术治疗。 第 144 题 在前列腺手术中，下述哪一种情况不是绝对手术指征（ ）。
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相关题目：
【简答题】This is _______  bee [     ] A  a B  an
查看完整题目与答案
【单选题】The woman sitting next to me ________ very nervous, for she had never travelled by air.
A.
is
B.
has been
C.
was
D.
had been
查看完整题目与答案
【单选题】Never before _____ in greater need of modern public transport than it is today. [     ]
A.
Beijing has been
B.
has Beijing been
C.
was Beijing
D.
Beijing was
查看完整题目与答案
【判断题】常量数学时期跨越的时间为17世纪-19世纪中叶
A.
正确
B.
错误
查看完整题目与答案
【单选题】What does the author mean by saying'if horses could have voted, there never would have been cars' ?
A.
History is determined by a series of accidental s.
B.
The upgrade of technology is accelerating in modern society.
C.
There is always strong resistance to new advancement in technology.
D.
It is inevitable that the outdated productive force be replaced by advanced force.
查看完整题目与答案
【单选题】阅读下面文字，完成后面提出的 41～44 题。 人与生物圈计划中国有，世界其他国家也有。目的是寻求同一个答案——为什么人们在享受自己获得的和创造的财富时，会时时受到大自然种种惩罚?因为在土壤侵蚀、沙漠化、滥伐森林、越来越多的物种濒临灭绝、环境污染等所导致的生态系统退化中，已经意识到能登月球、造核武器的人类，还没有真正揭开人与生物圈之间的秘密，对于人的自身生产和人的经济行为应该如何与生存环境相协调、...
A.
揭开人与生物圈之间的秘密，人类才能创造更多的财富
B.
人类发展与生态环境退化的严重矛盾教育人类自身
C.
全球性的人口、资源、环境的挑战日益严重
D.
人类在获得和创造财富的同时受到大自然的种种惩罚
查看完整题目与答案
【单选题】The fans never expected their favourite team, which owns so many excellent players, ________have been defeated in the first round!
A.
must
B.
should
C.
might
D.
could
查看完整题目与答案
【简答题】材料一：我国北方有大面积的缺水地区，干旱灾害时常危害农业生产和人民生活。2008年冬到2009年春，我国北方冬小麦主产区的8个省市遭遇50年来的特大干旱，受灾面积达到1．57亿亩。在中央统一部署下，遭遇旱灾地区的各级政府迅速启动抗旱救灾紧急预案，紧急调拨资金、物资，组织干部群众和解放军官兵，全力抗旱救灾，取得了显著成效。 材料二：2009年3月，国务院颁布了《抗旱条例》。按照《条例》，在紧急抗旱时...
查看完整题目与答案
【简答题】A thirsty bee went to a river to drink. As it was drinking, the bee was away by the running water. A kind bird saw that the bee was in . It picked off a tree and threw into the water in front of the b...
查看完整题目与答案
【简答题】144～145 题共用题干： 男性，63岁，因前列腺增生，排尿困难，要求手术治疗。 第 144 题 在前列腺手术中，下述哪一种情况不是绝对手术指征（ ）。
查看完整题目与答案
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