药物性牙龈增生的临床表现()
A.波及全口牙,以上下前牙区较重
B.曾生范围可由边缘龈到附着龈
C.龈质地坚韧有弹性
D.牙龈呈球形,结状性增生
E.以上都是
参考答案:E
__________ your compositions carefully and some spelling mistakes can be avoided.[ ]
A. Having checked
B. Check
C. If you check
D. To check
足阳明胃经在下肢的循行部位是()
A.外侧中线
B.内侧中线
C.内侧后缘
D.外侧前缘
E.内侧前缘