将氢氧化钠稀溶液滴加到醋酸稀溶液中,下列各图示意混合溶液有关量或性质的变化趋势,其中错误的是( )
A.
B.
C.
D.
答案:D
— Alice, is this your brother’s dictionary?
— Let me see. Oh, no. ______ is in his school bag.
A.Himself
B.He
C.His
D.Hers
是消化系统的开始部分,里面有舌头、 和 。