结合上皮与牙齿结合的连接是（）。
A.桥粒
B.半桥粒
C.紧密
D.缝隙
E.镶嵌
参考答案：B
In China, the number of cities is increasing _____development is recognized across the world.
A．which
B．whose
C．where
D．that
针灸退热的最常用穴组是
A．百会、风池、大椎
B．曲池、身柱、太冲
C．大椎、曲池、合谷
D．大椎、身柱、太冲
