同步适配器中同步类型有哪些（）
A、U-R
B、U-P
C、R-F
D、R-W
参考答案：A, B, C, D
Shortly after the book ___, the war between Iraq and America ____.
A．came about;broke away
B．came out; broke out
C．came on; broke up
D．came up; broke down
在计算账户的期末余额时，下列各项中所不涉及的内容是（）。
A.上期结转入的余额
B.本期增加发生额
C.上期增加发生额
D.本期减少发生额
