中国移动WLAN采用（）标准
A、IEEE 802.1Q
B、IEEE 802.16
C、IEEE 802.11b
D、IEEE 802.3
参考答案：C
They hardly watch TV on school nights, _____?
A．will they
B．aren’t they
C．do they
D．didn't they
肺结核的主要传播途径是什么？
