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【简答题】
局域网的拓扑结构是指网络中各节点的互连构型，也就是局域网的布线方式。常见的拓扑结构有________型、______型及________型等。
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反馈参考答案：
举一反三
【单选题】关于电子商务安全，下列说法中错误的是?
A.
电子商务安全包括计算机网络安全和电子交易安全
B.
电子商务安全是制约电子商务发展的重要因素
C.
电子商务安全与网络安全的区别在于其有不可抵赖性的要求
D.
决定电子商务安全级别的最重要因素是技术
【简答题】供食用的冷冻的半头牛肉,为整头牛切成一半,未经进一步加工
【单选题】My English is improving. It is getting _____ and _____. [ ]
A.
good; good
B.
good; better
C.
better; best
D.
better; better
【单选题】The Internet is improving by leaps and bounds every day because it______.
A.
is easier to learn than merely face-to-face
B.
provides an excellent and powerful resource
C.
is increasingly equal and affordable
D.
is an increasing supply of millions of URLs
【简答题】A．It is good for improving muscle tone. B．It helps him lose weight. C．It helps develop mental toughness. D．It helps strengthen the heart.
【简答题】A．It is good for improving muscle tone. B．It helps strengthen the heart. C．It helps develop mental toughness. D．It does good to his skills.
【简答题】A．It is good for improving muscle tone. B．It helps strengthen the heart. C．It helps develop mental toughness. D．It does good to his skills.
【单选题】语境这一概念最早由波兰人类学家B.Malinowski在1923年提出来的。他将语境分为哪两类?
A.
情景语境与人文语境
B.
人文语境与文化语境
C.
文化语境与情景语境
D.
公开语境与隐私语
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