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【单选题】
下列说法:1 是负分数;2无理数包括正无理数,0,负无理数;3实数包括正实数,0,负实数;4有限小数或无限循环小数是有理数.其中正确的说法是( ) .
A.
1
B.
2
C.
3
D.
4
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【单选题】F.A.Q is used for
A.
agricultural and by product products
B.
industrial products
C.
wood and aquatic products
D.
machanical products
【单选题】Computer(75)is a complex consisting of two or more connected computing units, it is used for the purpose of data communication and resource sharing.
A.
storage
B.
device
C.
network
D.
processor
【单选题】F.A.Q.is used for
A.
agricultural and by-product products
B.
industrial products
C.
mechanical products
D.
wood and aquatic products
【单选题】The example of the reports about Muslims is used to ______.
A.
analyze how it is different from Hindu
B.
introduce the news industry there
C.
showcase how the current reporting is unbalanced
D.
exemplify how reporting should be organized
【判断题】To determine whether the overall regression model is significant, the F -test is used.
A.
正确
B.
错误
【单选题】What protection method is used in 4F BLSR networks?()
A.
Each fiber has half of its SONET capacity reserved for protection.
B.
Two fibers in the span carry working traffic, while the other two fibers in the span are reserved for protection.
C.
The signal is sent simultaneously in both directions around the ring. The receiver determines which fiber to listen to based on signal quality.
D.
The signal is sent simultaneously in both directions around the ring. The transmitter determines which fiber has the working bit set for the receiver to acknowledge.
【单选题】A clean credit is one which ______.
A.
calls for no presentation of it
B.
is used instead of first demand guarantee
C.
is used without presentation of any documents
D.
is the same as an unconditional first demand guarantee
【简答题】计算D、E轴交1、5轴之间有梁板的体积
【简答题】患者陈女士,33岁,最近1周来晨起眼睑水肿,排尿不适,尿色发红,疑急性肾小球肾炎,需留12小时尿作艾迪计数。为防止尿液久放变质,应在尿液中加入
【单选题】患者陈女士,33岁,最近1周来晨起眼睑水肿,排尿不适,尿色发红,疑急性肾小球肾炎,需留12小时尿作艾迪计数。为防止尿液久放变质,应在尿液中加入
A.
甲醛
B.
乙醛
C.
乙酚
D.
稀盐酸
E.
浓盐酸
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