多项式4b2a-5-3a2b是几次几项式，它的项分别是哪几项？
解：三，三；4b2a，5，3a2b。
—What does your sister do ?
— .
A.She is in the supermarket. B,She is very tall.
C.She is a teacher. D.She is fine.
客户、自营会员为债务人的，人民法院可以对其保证金、持仓依法采取保全和执行措施。（）
