下列不属于自我意识的基本内容的是()。
A.生理自我
B.感知自我
C.社会自我
D.心理自我
参考答案:B
The old sisters finally in touch with each other again after they were separated for nearly 30 years.[ ]
A. kept
B. were
C. had
D. got
向一容积为5L的恒容密闭容器中充入5molA与8molB,在一定条件下反应:2A(g)+3B(g)⇌xC(g)+yD(g) (x、y为正整数),反应进行2min后达到平衡,这2min内平均反应速率v(C)=0.3mol/(L•min),D的平衡浓度为0.3mol/L,又知v(B):v(C)=3:2,则下列说法中正确的是( )
A.x:y=2:1
B.v(A):v(C)=2:1
C.A的平衡浓度为0.4mol/L
D.A与B的平衡浓度之比为3:2