下面哪项处理不能增加牙体缺损修复中患牙的抗力() A.预防性扩展 B.去除薄壁弱尖

题型:单项选择题

问题:

下面哪项处理不能增加牙体缺损修复中患牙的抗力()

A.预防性扩展

B.去除薄壁弱尖

C.嵌体洞斜面

D.尽量保留牙体硬组织

E.高嵌体

考点:重庆住院医师口腔科Ⅰ阶段牙体牙髓病学牙体牙髓病学题库
题型:单项选择题
给下面多音字注音并组词    
①号(    )________     ②吓(    )________
  (    )________   (    )________
题型:单项选择题

No children           to watch this kind of movie because it's too scary.[ ]

A.  should alow                      

B.  shouldn't be allowed            

C. should be allowed                      

D. don't allow

题型:单项选择题

污染物排入水体,当断面上任意一点的浓度与断面平均浓度之差小于平均浓度的( )时,可以认为达到均匀分布,也就是说达到充分混合阶段。

A.2%

B.3%

C.5%

D.7%

题型:单项选择题

在癌症疼痛的物理治疗方法中,以下哪一种治疗方法禁用()

A.肿瘤局部强电流刺激

B.高频电高热

C.毫米波

D.脊髓电刺激

E.经皮电神经刺激

题型:单项选择题

When Dave was eighteen, he bought a secondhand car for 200 so that he could travel to and from work more (1) than by bus. It worked quite well for a few years, but then it got so old, and it was costing him (2) much in repairs that he decided that he had better (3) it.

He asked among his friends to see if anyone was particularly (4) to buy a cheap car, but they all knew that it was falling to pieces, so (5) of them had any desire to buy it. Dave’s friend Sam saw that he was (6) when they met one evening, and said, "What’s (7) , Dave"

Dave told him, and Sam answered, "Well, what about advertising it in the paper You may (8) more for it that way than the cost of the advertisement!" Thinking that Sam’s (9) was sensible, he put an advertisement in an evening paper, which read "For sale: small car, (10) very little petrol, only two owners. Bargain at 50. " For two days after the advertisement first appeared, there was no (11) . But then on Saturday evening he had an enquiry. A man rang up and said he would like to (12) him about the car. "All right, " Dave said, feeling happy. He asked the man whether ten o’clock the next morning would be (13) or not. "Fine, " the man said, "and I’ll (14) my wife. We intend to go for a ride in it to (15) it. "

The next morning, at a quarter to ten, Dave parked the car in the square outside his front door, (16) to wait there for the people who had (17) his advertisement. Even Dave had to (18) that the car really looked like a wreck. Then, soon after he had got the car as clean (19) it could be, a police car stopped just behind him and a policeman got out. He looked at Dave’s car and then said, "Have you reported this (20) to us yet, sir\

16().

A.happening 

B.meaning 

C.turning 

D.failing

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