单项选择题

原位癌指的是 A.
原发癌
B.
未突破基底膜的癌
C.
早期癌
D.
癌前期病变
E.
未发生转移的癌

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单项选择题
From the introduction part, how will the present research advance our knowledge?
A、By replicating the above mentioned reviews
B、By presenting the best available clinical evidence for successful bonding of dental oxide ceramic restorations
C、By summarizing the huge variety of bonding methods used on dental oxide ceramics and their results in laboratory bond strength testing
D、By summarizing published clinical trials on bonded oxide ceramic restorations and correlate their results with that of laboratory bond strength testing using the same bonding methods as in the clinical trials 无解析
判断题
戴发罩时，短发的人员需要把头发全部包住，长发的人员发尾可露出部分。
答案：错误
单项选择题
根据增值税法律制度的规定，下列行为中，应按照“销售不动产”税目计缴增值税的是

A 将建筑物广告位出租给其他单位用于发布广告

B 转让高速公路经营权

C 销售底商（建筑物底层商铺）

D 转让国有土地使用权
单项选择题
设计一个n位的寄存器，总共需要n个触发器。
A、正确
B、错误
判断题
缺少了液压装置，数控机床将无法完成切削加工。
答案：错误