与牙周组织破坏关系最为密切的菌斑是()
A.龈上菌斑
B.颈缘菌斑
C.龈下菌斑
D.非附着菌斑
E.附着菌斑
参考答案:D
She might be ____that style of remark from her journalistic friend. [ ]
A.suspected of having borrowed
B.suspected to borrow
C.suspected having borrowed
D.suspected borrowed
取得房地产经纪人执业资格是进入房地产经纪活动关键岗位和发起设立房地产经纪机构的( )。
A.先决条件
B.必备条件
C.基本条件
D.重要条件