皮皮学，免费搜题
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【单选题】
在局域网拓扑结构中,所有节点都直接连接到一条公共传输媒体上(不闭合),任何一个节点发送的信号都沿着这条公共传输媒体进行传播,而且能被所有其它节点接收。这种网络拓扑结构成为( )。
A.
拓扑
B.
总线型拓扑
C.
环形拓扑
D.
树形拓扑
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举一反三
【多选题】全球面临的主要环境问题有：
A.
大气污染
B.
土壤侵蚀
C.
雨林破坏
D.
人口增长
查看完整题目与答案
【单选题】听力原文：M: I'm no expert. But that noise in your refrigerator doesn't sound good. Maybe you should call and have it checked out. W: You are right. And I suppose I've put it off long enough. Q: What will ...
A.
She is going to put it off.
B.
She won't do anything.
C.
She will check it out by herself.
D.
She is going to follow the man's advice.
查看完整题目与答案
【判断题】经济全球化对国家、企业和个人提出了更高的清廉要求。
A.
正确
B.
错误
查看完整题目与答案
【多选题】全球面临的主要环境问题有：()
A.
人口增长
B.
土壤侵蚀
C.
大气污染
D.
雨林破坏
查看完整题目与答案
【单选题】下属编码哪一组是前缀码?( )
A.
{00，10，101，100}
B.
{10，1，100，110}
C.
{00，01，101，111}
D.
{0，01，101，110}
查看完整题目与答案
【简答题】下属编码哪一组不是前缀码? {00，01，10，11}，{0，1，00，11}，{0，10，110，111}
查看完整题目与答案
【单选题】听力原文：M: I'm no expert, but that noise in your refrigerator doesn't sound right. Maybe you should have it fixed. W: You're right. And I suppose I've put it off long enough. Q: What will the woman proba...
A.
Switch off the refrigerator for a while.
B.
Have someone repair the refrigerator.
C.
Ask the man to fix the refrigerator.
D.
Buy a refrigerator of better quality.
查看完整题目与答案
【单选题】在考虑TD-LTE覆盖效率时,通常会有如“95%的地点,99%的时间可通”类似的说法,这里的95%的含义是( )
A.
区域覆盖概率
B.
边缘覆盖概率
C.
接通率
D.
前面三种都不是
查看完整题目与答案
【多选题】全球面临的主要环境问题有( )等。
A.
全球变暖
B.
臭氧层破坏
C.
酸雨蔓延
D.
海洋污染与过度开发
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【单选题】听力原文：M: Sarah, did you have a chance to buy that new novel you wanted? W: No, but I had Doris get it for me. Q: What does Sarah say about the novel? (17)
A.
Doris wrote it for her.
B.
She didn't want Doris to borrow it.
C.
She enjoyed it but Doris didn't
D.
Doris purchased it for her.
查看完整题目与答案
相关题目：
【多选题】全球面临的主要环境问题有：
A.
大气污染
B.
土壤侵蚀
C.
雨林破坏
D.
人口增长
查看完整题目与答案
【单选题】听力原文：M: I'm no expert. But that noise in your refrigerator doesn't sound good. Maybe you should call and have it checked out. W: You are right. And I suppose I've put it off long enough. Q: What will ...
A.
She is going to put it off.
B.
She won't do anything.
C.
She will check it out by herself.
D.
She is going to follow the man's advice.
查看完整题目与答案
【判断题】经济全球化对国家、企业和个人提出了更高的清廉要求。
A.
正确
B.
错误
查看完整题目与答案
【多选题】全球面临的主要环境问题有：()
A.
人口增长
B.
土壤侵蚀
C.
大气污染
D.
雨林破坏
查看完整题目与答案
【单选题】下属编码哪一组是前缀码?( )
A.
{00，10，101，100}
B.
{10，1，100，110}
C.
{00，01，101，111}
D.
{0，01，101，110}
查看完整题目与答案
【简答题】下属编码哪一组不是前缀码? {00，01，10，11}，{0，1，00，11}，{0，10，110，111}
查看完整题目与答案
【单选题】听力原文：M: I'm no expert, but that noise in your refrigerator doesn't sound right. Maybe you should have it fixed. W: You're right. And I suppose I've put it off long enough. Q: What will the woman proba...
A.
Switch off the refrigerator for a while.
B.
Have someone repair the refrigerator.
C.
Ask the man to fix the refrigerator.
D.
Buy a refrigerator of better quality.
查看完整题目与答案
【单选题】在考虑TD-LTE覆盖效率时,通常会有如“95%的地点,99%的时间可通”类似的说法,这里的95%的含义是( )
A.
区域覆盖概率
B.
边缘覆盖概率
C.
接通率
D.
前面三种都不是
查看完整题目与答案
【多选题】全球面临的主要环境问题有( )等。
A.
全球变暖
B.
臭氧层破坏
C.
酸雨蔓延
D.
海洋污染与过度开发
查看完整题目与答案
【单选题】听力原文：M: Sarah, did you have a chance to buy that new novel you wanted? W: No, but I had Doris get it for me. Q: What does Sarah say about the novel? (17)
A.
Doris wrote it for her.
B.
She didn't want Doris to borrow it.
C.
She enjoyed it but Doris didn't
D.
Doris purchased it for her.
查看完整题目与答案