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【简答题】
Have you heard of the Apple Watch? Or are you (1) it? People who have seen it know that it is a very small and (2) thing. It is designed to be part of nearly every moment of your day. It knows when you’re wearing it. You can play it. You can talk to it. (3) , the Apple Watch thinks about your heartbeat. But the Apple Watch is also a big thing. It’s the first completely new Apple product in five years, and the first Apple product (4) after the death of Steve Jobs. It’s full of new hardware, new software, and new ideas about how the worlds of fashion and technology should (5) . It just has to answer one question: would you actually use the Apple Watch instead of your phone?
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反馈参考答案：
举一反三
【多选题】有关标准误的描述正确的是:?
A.
标准误是平均数抽样总体的标准差
B.
标准误大小反映样本平均数的抽样误差的大小
C.
标准误大小与原总体的标准差σ成正比,与样本含量n的平方根成反比
D.
只有增大抽样样本含量才能降低样本平均数的抽样误差
【单选题】They letting him go and would like him to stay on after his present contract expires. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
had no intention in
B.
had no intention of
C.
had no intention with
D.
had no intention at prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【单选题】They would not allow him _____ across the enemy line. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
to risk going
B.
risking to go
C.
for risk to go
D.
risk going
【单选题】下列删除文件的操作,文件删除后无法还原的是()。
A.
用Delete键删除
B.
用Shift＋Delete键删除
C.
用Curl＋D键删除
D.
用“文件”菜单中的“删除”命令
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