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【单选题】
下列关于防雷设备的说法中正确的是（）。
A.
避雷针和避雷线是直击雷防护设备
B.
避雷器也能防直击雷
C.
接地装置只用在变电站
D.
避雷线只能用于保护输电线路
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【判断题】轴心受压构件中箍筋的作用主要是防止纵向钢筋受压屈曲，固定纵向钢筋并与之形成钢筋骨架。
A.
正确
B.
错误
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【单选题】The technology of freezing stem cells from different strains of chicken can do all the following EXCEPT that ______
A.
farmers can order certain strains of chicken only.
B.
Origen can supply all the strains of chicken the market might need
C.
chicken farmers order certain strains of chicken for economic reasons.
D.
chicken farmers can be supplied with whatever strain they need
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【单选题】1 Researchers uncovered a serious flaw in the underlying technology for nearly all Internet traffic, a discovery that led to an urgent and secretive international effort to prevent global disruptions ...
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Serious flaw uncovered in a core Internet technology had attracted international attention.
B.
The Internet is held together by the glue.
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D.
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【简答题】轴心受压构件中纵筋的作用是什么？箍筋的作用是什么？
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【多选题】以下监控可能导致网络丢包的原因有________。
A.
IPC一端配置成了全双工，交换机一端配置成半双工
B.
IPC一端将端口强制成了10M，交换机一端将端口强制配置成了100M
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交换机上出现了广播风暴
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【简答题】With the rapid progress of technology, the English language is changing fast. All the people have to face a choice: either ignore the development of the language and spend the rest of our lives wishin...
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【判断题】混凝土轴心受压构件中箍筋的作用是为了抵抗剪力。
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B.
错误
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【简答题】As civilization proceeds in the direction of technology, it passes the point of supplying all the basic essentials of life-food, shelter, clothes and warmth. Then we are faced with a choice between us...
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【简答题】钢筋混凝土轴心受压构件中纵筋和箍筋的作用是什么？
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【判断题】轴心受压构件中箍筋的作用主要是防止纵向钢筋受压屈曲，固定纵向钢筋并与之形成钢筋骨架。
A.
正确
B.
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【单选题】The technology of freezing stem cells from different strains of chicken can do all the following EXCEPT that ______
A.
farmers can order certain strains of chicken only.
B.
Origen can supply all the strains of chicken the market might need
C.
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D.
chicken farmers can be supplied with whatever strain they need
查看完整题目与答案
【简答题】Gene technology to benefit people Among all the fast growing science and technology, the research of human genes, or biological engineering as people call it, is drawing more and more attention now. S...
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【单选题】1 Researchers uncovered a serious flaw in the underlying technology for nearly all Internet traffic, a discovery that led to an urgent and secretive international effort to prevent global disruptions ...
A.
Serious flaw uncovered in a core Internet technology had attracted international attention.
B.
The Internet is held together by the glue.
C.
Normal Internet operations may survive the hacker attacks.
D.
Hackers could attack computers without getting online.
查看完整题目与答案
【简答题】轴心受压构件中纵筋的作用是什么？箍筋的作用是什么？
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【多选题】以下监控可能导致网络丢包的原因有________。
A.
IPC一端配置成了全双工，交换机一端配置成半双工
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IPC一端将端口强制成了10M，交换机一端将端口强制配置成了100M
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D.
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【简答题】With the rapid progress of technology, the English language is changing fast. All the people have to face a choice: either ignore the development of the language and spend the rest of our lives wishin...
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【判断题】混凝土轴心受压构件中箍筋的作用是为了抵抗剪力。
A.
正确
B.
错误
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【简答题】As civilization proceeds in the direction of technology, it passes the point of supplying all the basic essentials of life-food, shelter, clothes and warmth. Then we are faced with a choice between us...
查看完整题目与答案
【简答题】钢筋混凝土轴心受压构件中纵筋和箍筋的作用是什么？
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