- Why didn't you come to my birthday party yesterday?-().
A.Excuse me, my friend sent me a flower
B.Fine, I never go to birthday parties
C.Well, I don't like birthday parties
D.Sorry, but my wife had a car accident
A.Excuse me, my friend sent me a flower
B.Fine, I never go to birthday parties
C.Well, I don't like birthday parties
D.Sorry, but my wife had a car accident
A.0.1μm、0.2μm、0.3μm、0.5μm
B.0.1μm、0.2μm、0.3μm、0.5μm、1μm
C.0.2μm、0.3μm、0.5μm、1.0μm
D.0.1μm、0.2μm、0.3μm、0.5μm、1μm、5μm
命题“10<m<15或m>20”的C++语言表达式是()。
A.((m>10)&&(m<15))‖(m>20)
B.((m>20)&&(m<15))‖(m>10)
C.(m>10)‖(m<15)&&(m>20))
D.((m>10)‖m<15))‖(m>20)
A.15 m,20 m,30 m,40 m
B.10 m,20 m,35 m,40 m
C.10 m,20 m,30 m,40 m
D.10 m,25 m,30 m,40 m
A.11kg/m、15kg/m、32kg/m
B.11kg/m、18kg/m、32kg/m
C.12kg/m、16kg/m、35kg/m
D.12kg/m、18kg/m、35kg/m
A.10kN·m,15kN·m,-7kN·m
B.-10kN·m,-5kN·m,7kN·m
C.10kN·m,5kN·m,7kN·m
D.-10kN·m,-15kN·m,7kN·m
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