皮皮学，免费搜题
登录
搜题
【单选题】
关于牙周炎的描述哪错误的A.
是一种由细菌微生物引起的牙周组织炎症性破坏性疾病
B.
临床特征包括牙腿出血、牙齿松动、牙周溢脓
C.
主要病理改变是结合上皮破坏向根方移动、牙周袋形成、牙槽骨吸收
D.
所有牙周炎的发展均为一种持续性缓慢过程
E.
晚期牙齿松动脱落
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】将He has returned the book.改为否定句。
A.
He hasn't returned the book.
B.
He has returned not the book.
【单选题】Only when _______ home_____ that he had left his bag in the taxi he had taken.
A.
he returned; did he realize
B.
did he return; did he realize
C.
he returned; he realized
D.
did he return; he realized
【判断题】After living in Paris for fifty years he returned to the small town which he grew up as a child. ()
A.
正确
B.
错误
【简答题】After years abroad, he returned to his hometown, ________ he spent his childhood.
【简答题】连词成句。 returned, he, me, to, kite, the (.) ________________________________________________
【单选题】He ______ that he had been in prison twice before.
A.
revealed
B.
revised
C.
rewrote
D.
returned
【单选题】he head of the company promised to deal with matters of this sort ________ he returned to his office. [ ]
A.
until
B.
while
C.
by the time
D.
the moment
【单选题】When he was sixty years old, he _____ his hometown.
A.
returned
B.
returned back
C.
returned to
D.
went back
相关题目：