RSE2与T6T/RMARC接口连接所采用的数据接口协议为（）。
A.RS485
B.RS232
C.RS422
D.RS010
参考答案：C
APZ21260中用SAAII改变文件大小时，CP会自动分边，此时BUA的状态值可能是（）
A.1
B.2
C.3
D.4
Many Children ________ the Internet , and _____had a bad effect on their studies.
A．are addicted to; it
B．get engaged in; which
C．are related to; what
D．are addicted to; which
