已知a、b是关于x的方程x2+(m-2)x+1=0的两根,则(1+ma+a2)(1+mb+b2)的值是( )。
4
I spent all the money ______ for rainy days, so I started my part-time job. But it would be some
time before I was _______. [ ]
A. put aside, in the black
B. put away, in the red
C. push aside, feeling blue
D. taken away, green with envy
婴儿腹泻重度脱水的主要诊断依据是()
A.皮肤弹性差
B.哭无泪,尿量少
C.眼眶及前囟凹陷
D.外周循环衰竭
E.精神萎靡