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【单选题】
等直径水管, A - A 为断面, B - B 为水平面, 1、2、3、4为面上各点(如图),各点的运动物理量关系为()A.
P 1 = P 2
B.
P 3 = P 4
C.
z 1 + P 1 / γ = z 2 + P 2 / γ
D.
z 3 + P 3 / γ = z 4 + P 4 / γ
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【单选题】习近平总书记强调,宣传思想工作的根本任务,巩固全党全国人民团结奋斗的共同思想基础,在意识形态领域处于指导地位的是( )
A.
马克思主义
B.
社会主义核心价值观
C.
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D.
社会主义先进文化
【单选题】—What do you think of your English teacher? —________. [ ]
A.
He is telling us a story
B.
He is friendly
C.
He's at school
D.
He's from Shanghai
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A.
look for a deeper relationship in a close circle
B.
avoid deep relationship with other people
C.
are friendly ar first but do not remain so later on
D.
do not make good friends
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A.
go ahead
B.
come on
C.
you needn’t
D.
it doesn’t matter
【单选题】-What a rich dinner you’re preparing, mum! -I’ve been told that your aunt as well as her three friends _______to visit us. [ ]
A.
had come
B.
were coming
C.
is coming
D.
are coming
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