SoftX3000可用作关口局，最大支持（）个本端信令点编码。
A、8
B、16
C、32
D、64
参考答案：C
16．－Governments at all levels have to take measures to improve the quality of basic education.
－Exactly. _________, students' homework must be greatly reduced.
A．That's to say
B．What's more
C．Believe it or not
D．In a word
