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【单选题】
若放置与非门74LS00子件时,在其属性对话框中,下列写法哪一个是正确的()
A.
属性Part Type:输入U2D,属性Part:输入1
B.
属性Designator:输入U2D,属性Part:输入1
C.
属性Part Type:输入U2,属性Part:输入4
D.
属性Designator:输入U2,属性Part:输入4
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【简答题】输气管道内涂层防腐可以防止输气管内壁腐蚀、可以减小管内壁与天然气的摩擦,从而减小______、可以达到提高输量的效果。
【单选题】将防腐涂料涂抹在输气管道内壁,使其形成一层内壁涂层,可以起到防止输气管内壁腐蚀的作用,这种防腐方法称为( ).
A.
防腐绝缘层
B.
防腐涂层
C.
内涂层防腐
D.
缓蚀剂防腐
【单选题】She is the second _______student in our class.
A.
tall
B.
taller
C.
tallest
D.
the tallest
【单选题】Determine vo in the circuit shown in the Fig..( )
A.
20V
B.
30V
C.
50V
D.
60V
【单选题】The thought suddenly came to him he should go abroad for further study.
A.
that
B.
what
C.
which
D.
who
【简答题】In the circuit shown in the figure, determine vx and the power absorbed by the 12-Ω resistor.
【单选题】She is the second _______student in our class.
A.
tall
B.
taller
C.
tallest
【单选题】Or, critical thinking is thinking that analyzes thought, that assesses thought, and that transforms thought for the better.
A.
accesses
B.
evaluates
C.
scrutinizes
D.
decomposes
【单选题】The thought of eating a rat is abhorrent to most people.
A.
fun, lively.
B.
horrible, repugnant.
C.
delicious, tasty.
D.
sweet, sugary.
【单选题】将防腐涂料涂抹在输气管道内壁,使其形成一层内壁涂层,可以起到防止输气管内壁腐蚀的作用,这种防腐方法称为( )
A.
防腐绝缘
B.
防腐涂层
C.
内涂层防腐
D.
缓蚀剂防腐
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