Which foreign country do you want to ______? [ ]
A. live
B. living
C. lived
D. live in
答案:D
什么是模糊集合和隶属函数或隶属度。
外科辨肿,肿势平坦,根盘散漫,其成因是
A.火
B.风
C.气
D.郁结
E.虚