一级汇接中心与国际局间呼损指标应不大于（）。
A.0.5%
B.1.0%
C.1.5%
D.2.0%
参考答案：A
—Peter’s father is a _______ math teacher.
—I think so. He teaches _______.
A．good; well
B．well; well
C．good; good
D．well; good
十六进制数2BA对应的十进制数是
A．698
B．754
C．534
D．1243
