制备复合树脂充填洞形时应注意A.点线角应圆钝,洞缘釉质壁应制成斜面,倒凹宜呈圆弧形

题型:单项选择题

问题:

制备复合树脂充填洞形时应注意

A.点线角应圆钝,洞缘釉质壁应制成斜面,倒凹宜呈圆弧形

B.底要平,洞壁要直,洞形必须要深

C.要去尽无基釉质,增加抗力形

D.为制备获得良好的固位形,必须磨除正常的牙体组织

E.无需去尽无基釉质,也无需在洞缘角制备短斜面

考点:口腔执业医师口腔医师历年考试《内科学》真题卷一
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第四部分: 写作(共两节,满分35分)

第一节:对话填空(共10小题;每小题1分.满分10分)  

W:I had such a (76) t_______ day yesterday that I’m really starting to (77) b______ that Friday the thirteenth is unlucky .

M:Why ? What (78) h_______ ?

W:Everything went (79) w______ . For example , I had to meet an important customer in the morning and on the way to town the car (80) b______ down . When I finally got there , the customer had already left .

M:That certainly is bad luck .

W:That’s not (81) a____. In the afternoon the children asked some kids over to play and they had a pillow (82) f_______ and tore one of the pillows . When I got home there were feathers all over the (83) r_____

M:My goodness !

W:And to make matters (84) w_____  , my boss and his wife arrived while I was (85) c_______ up the house . I had forgotten that I’d invited them for dinner.                                                                               

题型:单项选择题

—I don’t believe we _______ before.

—Well, I saw you once at a party, but we ______ introduced.

A.have met; weren’t

B.met; weren’t

C.have met; haven’t been

D.met; haven’t been

题型:单项选择题

福利有多种多样的形式,一般可以划分为()。

A.保险福利

B.非工作日福利

C.服务福利

D.额外津贴

E.期权

题型:单项选择题
在5
5
6
、58.3%和5.83这三个数中,最小的数是______,最大的数是______.
题型:单项选择题

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