如果有CATV的应用需求，则推荐使用（）类型的光纤接头？
A.FC
B.LC
C.PC
D.APC
参考答案：D
The heavy rainfall has caused vegetable prices to rise daily ______ the last two months.
A．by
B．since
C．for
D．with
急性胰腺炎
