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【单选题】
一个以太网中有A、B、C、D四台主机,A给B发信息,A.
谁收到信息？
B.
只有B收到信息
C.
四台主机都收到信息
D.
四台主机都收不到信息
E.
B、C、D三台主机收到信息
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反馈参考答案：
举一反三
【单选题】A researcher wants to conduct a before/after study on 11 subjects to determine if a treatment results in any difference in scores. The null hypothesis is that the average difference is zero while the ...
A.
–21.82
B.
–6.58
C.
–2.4
D.
1.98
【单选题】保管无菌物品哪项是错误的
A.
无菌物与非无菌物应分别放置
B.
无菌包必须注明灭菌日期
C.
已打开的无菌包未用完，可在48h内有效
D.
已打开的无菌包，必须注明开包时间
【简答题】The whole story reflects the psychological truth of the American people before and after the______.
【单选题】A researcher wants to conduct a before/after study on 11 subjects to determine if a treatment results in any difference in scores. The null hypothesis is that the average difference is zero while the ...
A.
11
B.
10
C.
9
D.
20
【单选题】The two maps below show an island before and after the construction of tourist facilities.
A.
The maps present the plan of an island both before and after tourism development took place.
B.
The maps present the plan of an island at two different times.
C.
The pictures present the plan of an island both before and after tourism development took place.
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