请你自编一道以3为解的一元一次方程是______．
x=3时，方程为x-3=0．
故答案为：x-3=0．
_____ from heart trouble for years, Professor White has to take some medicine with him wherever he goes.
A．Suffered
B．Suffering
C．Being suffered
D．Having suffered
信贷业务用信管理可能涉及（）等多个岗位人员。
A.客户经理
B.放款审核岗
C.柜员
D.法律审核人员
