颊系带为A.唇颊黏膜移行于牙槽黏膜的皱襞B.口腔前庭沟上相当于磨牙区的扁形黏膜皱襞C

题型:单项选择题

问题:

颊系带为

A.唇颊黏膜移行于牙槽黏膜的皱襞
B.口腔前庭沟上相当于磨牙区的扁形黏膜皱襞
C.口腔前庭沟上相当于上下尖牙或前磨牙区的扁形黏膜皱襞
D.上颌结节后内方与磨牙后垫后方间的黏膜皱襞
E.前庭沟中线上的黏膜皱襞

考点:口腔执业助理医师口腔执业助理医师
题型:单项选择题

连续竞价的成交价格决定原则是()。

A.最高买进申报与最低卖出申报相同

B.价格优先,时间优先

C.收益最大化

D.边际成本与边际收益相等

题型:单项选择题

光明小学会议场原有座位28排,每排32座,扩建后增加了4排,另每排增加8座,扩建后可以多坐多少人( )

A.384

B.395

C.374

D.364

题型:单项选择题
补全对话。
Yang Mei: Hi, Lora!    1    
Lora: Oh, I' ve been to many places, such as Xi' an, Hangzhou, Shanghai, Guilin and Tibet.
Yang Mei:    2    
Lora: Really? What places have you been to?
Yang Mei: Very few. I've only been to Pingyao.
Lora:    3    
Yang Mei: It's in Shanxi. It's a small place, but it has a long history.
               It's one of the oldest towns in China. There you can see a well-kept city wall.
Lora:    4    I've just seen a lot of natural beauties, but not much old Chinese culture (文化) yet.
Yang Mei:    5    
A. You've been to more places than I have.
B. Well, you'll have a lot of chances if you like.
C. I've never seen such a place in China.
D. Where's that?
E. What places have you been to in China?
1._____ 2.____ 3._____ 4._____ 5._____
题型:单项选择题

鲎试验用来检测()

A.外毒素

B.内毒素

C.细菌素

D.抗生素

E.耐药基因

题型:单项选择题

在对数据清单的数据进行排序时,可以按照以下顺序进行()

A.按关键字升序

B.按关键字降序

C.组合关键字

D.相同主关键字时选择次关键字

更多题库