画出如图中各种杠杆的动力臂和阻力臂.
关于内环境与稳态的叙述,正确的是[ ]
A.内环境主要由血液、组织液和淋巴组成
B.内环境中多余的H+主要从肺排出
C.血浆是内环境中最活跃的部分
D.Na+、K+以重吸收方式从消化道进入内环境
It is obvious ________ the former Libyan government will be replaced with the opposition government.
A.who
B.where
C.which
D.that