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【单选题】
Here is your key card , Sir.A.
房卡
B.
钥匙
C.
卡片
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举一反三
【简答题】The author uses the example of middleman to show
【单选题】The explicit or implicit way that an author uses to introduce the characters to the audience is called ________.
A.
narrative
B.
arrangement
C.
characterization
D.
introduction
【单选题】某社区有 700 户家庭,其中高收入家庭 225 户,中等收入家庭 400 户,低收入家庭 75 户,为 了调查社会购买力的某项指标,要从中抽取一个容 量为 100 户的样本,记作 1 ;某中学高二年级有 12 名足球运动员,要从中选出 3 人调查学习负担情况, 记作 2 ;从某厂生产的 802 辆轿车中抽取 8 辆测试 某项性能,记作 3 . 则完成上述 3 项应采用的抽样方 法是
A.
①用简单随机抽样，②用系统抽样，③用分层抽样
B.
①用分层抽样，②用简单随机抽样，③用系统抽样
C.
①用简单随机抽样，②用分层抽样，③用系统抽样
D.
①用分层抽样，②用系统抽样，③用简单随机抽样
【简答题】The author uses the example of monkey to argue that robots are ______.
【简答题】The author uses the examples of a tycoon and a taxi—driver to show that ．
【单选题】The author mentions 'sight unseen' primarily in order to emphasize that Shor's method
A.
does not allow for the cloning of a bit of quantum information that has not first been recognized
B.
tends to be less reliable than classical information correction, because it is impossible to discern whether Shor's is successful
C.
has been accepted by physicists without much skeptical investigation
D.
allows for a quantum correction where the individual states of quantum bits do not need to be reported.
E.
quantum correction circuits tend to operate at random
【单选题】哪一个不是旅游电子商务点商务的发展的阶段
A.
基于EDI的旅游电子商务
B.
基于互联网的旅游电子商务
C.
基于内联网的旅游电子商务
D.
基于移动技术的旅游电子商务
【简答题】The author uses the example of a monkey to argue that robots are
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