易患口腔念珠菌病的人群是
A．更年期妇女
B．有烟酒嗜好
C．长期应用抗生素者
D．青壮年
E．患有胃肠道疾病
参考答案：C
The place______ the bridge is supported to be built should be _____ the cross river traffic is the heaviest
A．which; where
B．at which; which
C．at which; where
D．which; in which
ETS设备属于（）。
A.CDMA设备
B.无线市话设备
C.接入网设备
D.动力网设备
