【单选题】【消耗次数：1】
玻璃陶瓷的特点，错误的是（）
①
粘接强度低
②
半透性好
③
折光率接近牙釉质
④
可以被HF酸蚀
⑤
遮色性好
参考答案：
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相关题目
【单选题】
关于全酸蚀粘接技术要点下列说法不正确的是（）
①
遵循先酸蚀牙釉质再酸蚀牙本质的原则
②
对牙本质的酸蚀时间需要略短
③
乳牙酸蚀时间应缩短
④
年轻恒牙酸蚀时间应延长
⑤
氟牙症患者延长酸蚀时间
【单选题】
牙本质湿粘接能提高粘接强度的主要原因是
①
能够与管间牙本质粘接
②
能够与管周牙本质粘接
③
形成树脂突与牙本质小管嵌合
④
与牙本质中膨松的胶原纤维网形成杂化层
⑤
以上都不正确
随机题目
【判断题】
阅读课文II.How to Improve Memory,判读正误4. You can watch TV and memorize new words at the same time.
①
正确
②
错误
【判断题】
阅读课文II.How to Improve Memory,判读正误1. Information kept in short-term memory may last a few years.
①
正确
②
错误
【判断题】
阅读课文II.How to Improve Memory,判读正误2.Information in long-term memory is often kept a longer period of time than that in short-term memory.
①
正确
②
错误
【判断题】
阅读课文II.How to Improve Memory,判读正误3. Your parents address is usually in your long-term memory.
①
正确
②
错误
【判断题】
阅读课文II.How to Improve Memory,判读正误5.It is easy to memorize something you dont understand.
①
正确
②
错误
【单选题】
6. A new house ___ at the corner of the road.
①
is building
②
is being built
③
been built
④
be building
【单选题】
8.Doctors ___ in every part of the world.
①
need
②
are needing
③
are needed
④
will need
【单选题】
3. This English song___ by the girls after class.
①
often sings
②
often sang
③
is often sang
④
is often sung
【单选题】
9.His new book___ next month.
①
will be published
②
is publishing
③
is being published
④
has been published