汉初的“西域”是指现在的[ ]
A．甘肃河西走廊
B．宁夏、青海
C．玉门关和阳关以西
D．新疆地区
答案：C
—Do you know Li Na?
—Of course. She's a great tennis player_________ comes from Hubei, China.
A. who B. what C. which
cANCA阳性可见于（）
A.显微镜下多血管炎
B.多发性大动脉炎
C.韦格纳肉芽肿
D.多发性肌炎
E.系统性红斑狼疮
