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【多选题】
关于计算机网络的分类，以下说法中，正确的是（）。
A.
按网络拓扑结构划分有：总线型、环型、和等
B.
按网络覆盖范围和计算机间的连接距离划分有：局域网、城域网、广域网
C.
按传送数据所用的结构和技术划分有：资源子网、通信子网
D.
按通信传输介质划分有：低速网、中速网、高速网
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参考答案：
举一反三
【简答题】视频中的基本共射放大器 R B =300 kΩ , R C = 5kΩ,V CC = 12V, U BEQ =0.7 V , β =4 0, 1.画出直流等效电路,估算静态工作点 I BQ , I CQ 以及 U CEQ的值 ; 2.画出微变等效电路,计算 r be 的值; 3.若输出端接 R L = 4kΩ,试求 A u 、 R i 、 R o 的值。 (注意将答案保留整数)
查看完整题目与答案
【单选题】“社会保障”对应的英文表达是:
A.
Social Insurance
B.
Social Safety
C.
Social Security
D.
Social Protection
查看完整题目与答案
【单选题】“Your body doesn’t know how to lie” indicates _________
A.
something is wrong with your body and you can only stand.
B.
body language is important and unconscious
C.
body contact is dangerous.
D.
we can’t separate mind from body.
查看完整题目与答案
【单选题】established the first European colony in Australia.
A.
David Beckham
B.
Winston Churchill
C.
The Beatles
D.
James Cook
查看完整题目与答案
【单选题】Your body doesn’t know how to lie.’ indicates ______.
A.
something wrong with your body
B.
body language is important
C.
body contact is dangerous
D.
We can’t separate mind from body
查看完整题目与答案
【单选题】女性患者,慢性支气管炎阻塞性肺气肿二十余年,肺源性心脏病合并慢性呼吸衰竭两年,近期出现精神症状时,常提示合并
A.
上消化道出血
B.
肺性脑病
C.
电介质紊乱
D.
代谢性酸中毒
E.
循环衰竭
查看完整题目与答案
【单选题】Which of the following statements is NOT true?
A.
Britain is the first European country to allow 'gay marriages'.
B.
Gay marriages are officially recognized across Canada in 2005.
C.
Same-sex partnerships are still not legalized in California, USA.
D.
Vermont was the first American state to permit same-sex partners to get married.
查看完整题目与答案
【单选题】“社会保障”对应的英文表达是？
A.
Social Insurance
B.
Social Safety
C.
Social Security
D.
Social Assistance
查看完整题目与答案
【单选题】“ 社会保障 ” 对应的英文表达是?
A.
Social Assistance
B.
Social Safety
C.
Social Security
D.
Social Insurance
查看完整题目与答案
【单选题】The first European country that attacked first the trade system centered on the Indian Ocean from outside was
A.
Spanish
B.
Dutch
C.
England
D.
Portugal
查看完整题目与答案
相关题目：
【简答题】视频中的基本共射放大器 R B =300 kΩ , R C = 5kΩ,V CC = 12V, U BEQ =0.7 V , β =4 0, 1.画出直流等效电路,估算静态工作点 I BQ , I CQ 以及 U CEQ的值 ; 2.画出微变等效电路,计算 r be 的值; 3.若输出端接 R L = 4kΩ,试求 A u 、 R i 、 R o 的值。 (注意将答案保留整数)
查看完整题目与答案
【单选题】“社会保障”对应的英文表达是:
A.
Social Insurance
B.
Social Safety
C.
Social Security
D.
Social Protection
查看完整题目与答案
【单选题】“Your body doesn’t know how to lie” indicates _________
A.
something is wrong with your body and you can only stand.
B.
body language is important and unconscious
C.
body contact is dangerous.
D.
we can’t separate mind from body.
查看完整题目与答案
【单选题】established the first European colony in Australia.
A.
David Beckham
B.
Winston Churchill
C.
The Beatles
D.
James Cook
查看完整题目与答案
【单选题】Your body doesn’t know how to lie.’ indicates ______.
A.
something wrong with your body
B.
body language is important
C.
body contact is dangerous
D.
We can’t separate mind from body
查看完整题目与答案
【单选题】女性患者,慢性支气管炎阻塞性肺气肿二十余年,肺源性心脏病合并慢性呼吸衰竭两年,近期出现精神症状时,常提示合并
A.
上消化道出血
B.
肺性脑病
C.
电介质紊乱
D.
代谢性酸中毒
E.
循环衰竭
查看完整题目与答案
【单选题】Which of the following statements is NOT true?
A.
Britain is the first European country to allow 'gay marriages'.
B.
Gay marriages are officially recognized across Canada in 2005.
C.
Same-sex partnerships are still not legalized in California, USA.
D.
Vermont was the first American state to permit same-sex partners to get married.
查看完整题目与答案
【单选题】“社会保障”对应的英文表达是？
A.
Social Insurance
B.
Social Safety
C.
Social Security
D.
Social Assistance
查看完整题目与答案
【单选题】“ 社会保障 ” 对应的英文表达是?
A.
Social Assistance
B.
Social Safety
C.
Social Security
D.
Social Insurance
查看完整题目与答案
【单选题】The first European country that attacked first the trade system centered on the Indian Ocean from outside was
A.
Spanish
B.
Dutch
C.
England
D.
Portugal
查看完整题目与答案
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