皮皮学，免费搜题
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搜题
【单选题】
一个子网网段地址为2.0.0.0 掩码为255.255.224.0 网络，他一个有效子网网段地址是？A.
2.1.16.0
B.
2.2.32.0
C.
2.3.48.0
D.
2.4.172.0
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Brine density in a distilling plant is measured with a(n)_____.
A.
psychrometer
B.
salinometer
C.
anemometer
D.
Sphygmomanometer
【简答题】die Sonne Die Sonne /Es ist
【单选题】Brine density in a distilling plant is measured with a/an _____.
A.
psychrometer
B.
salinometer
C.
anemometer
D.
sphygmomanometer
【单选题】( )年,美国著名的管理咨询公司埃森哲首先率先提出第四方物流(Fourth Party Logistics,简称4PL)概念。
A.
1998
B.
1999
C.
2000
D.
1988
【单选题】Brine density in a distilling plant is measured with a\an_______
A.
Psychrometer
B.
Salinometer
C.
Anemometer
D.
Sphygmomanometer
【单选题】Which of the listed conditions will cause the feed water that has not flashed to vapor in the first-stage of a flash evaporator, to flow into the second-stage?
A.
Gravity siphon effect
B.
Higher vacuum in the second-stage.
C.
Difference in brine density between first and second stages
D.
lower pressure in first-stage
相关题目：
【单选题】( )年,美国著名的管理咨询公司埃森哲首先率先提出第四方物流(Fourth Party Logistics,简称4PL)概念。
A.
1998
B.
1999
C.
2000
D.
1988