结算账户中，不能提取现金的账户是（ ）
A．基本账户
B．一般存款账户
C．临时存款账户
D．专用存款账户
参考答案：B
已知等腰三角形的周长是20cm，底边长y（cm）是腰长x（cm）的函数关系式为______，自变量x的取值范围是______．
—Can you tell me this morning?
—Sorry, I've no idea.[ ]
A. why didn't Daming come to school
B. why Daming didn't come to school
C. why doesn't Daming come to school
D. why Daming doesn't come to school
