A:married, have got married
B:married with, have got married
C:got married to, have been married
D:married, married
shè jì
jiān gù
xīn shǎng
yào cái
____
人体手臂自然下垂时,肱二头肌和肱三头肌的状况是
如图所示,光线斜射到两种透明物质的界面上发生的现象,那么图中界面是____ ,法线____ ,折射角是____ 。
设f′(x)是函数f(x)的导函数,且f′(x)>2f(x)(x∈R),f(12)=e(e为自然对数的底数),则不等式f(lnx)<x2的解集为( )