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【单选题】
以太网(Ethernent)是专用于( )的技术规范。A.
物联网
B.
局域网
C.
广域网
D.
城域网
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反馈参考答案：
举一反三
【单选题】For the most part, rapid economic development has been a favor. But there is a down side to development—health problems such as overweight are all becoming more common, as more people take taxis to wo...
A.
it has benefited the general public greatly
B.
it has done harm to people's health nationwide
C.
it is going faster than anyone could have imagined
D.
it has helped to establish a healthy lifestyle. of the public
【简答题】(a) The following information relates to the draft fi nancial statements of Deltoid. Summarised statements of fi nancial position as at: Summarised income statements for the years ended: The following...
【简答题】It’s time to do something for your father – the man who for many people has been an encouragement and support since birth. The third Sunday of June is Father’s Day. The holiday honors not only fathers...
【简答题】Directions:Read the text below. Write an essay about 120 words, in which you should summarize the key points of the text and make comments on them. Try to use your own words. It seems the nation’s you...
【单选题】对于抽样误差,下面正确的说法是( )。 A 抽样误差是随机变量; B 抽样平均误差是一系列抽样指标的标准差; C 抽样误差是估计值与总体参数之间的最大绝对误差; D 抽样误差是违反随机原则而产生的偏差; E 抽样平均误差其值越小,表明估计的精度越高。
A.
ABD
B.
DE
C.
ABC
D.
ABE
【简答题】阅读短文，判断正(T)误(F)。 I have been a news reporter for the past fif years. The job has taught me many unforgettable lessons. I have seen wars, poverty and death, but I have also seen courage (勇气), hope ...
【简答题】抽样误差是指随机抽样调查中()与()之间的差异。
【单选题】The author's attitude towards the North American Free Trade Agreement might be best summarize as one of______.
A.
pessimistic.
B.
indiffrret.
C.
disappointed but expecting.
D.
critical.
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