不等式3+2x≤-1的解集是______．
因为3+2x≤-1，
所以有2x≤-1，
所以x≤-2．
We don’t believe _____ little children can do ____ much work in such a short time.
A．so, so
B．so, such
C．such, so
D．such, such
尿崩症患者尿渗透压常为
A．10～50mosm/(kg·H2O)B．50～100mosm/(kg·H2O)C．100～200mosm/(kg·H2O)D．10～100mosm/(kg·H2O)E．50～100mosm/(kg·H2O)
