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问题 单项选择题 共用题干题

患者男，左上6邻面龋坏，查见邻面接触点破坏，牙髓正常，拟行金属全冠修复，常规备牙取模 。

全冠的固位力与下列哪种因素无关 （）

A.修复体与基牙的密合度

B.接触面积

C.基牙的松动度

D.黏固剂的厚度

E.基牙的轴面聚合度

答案

参考答案：C

单项选择题

Prior to the UML, there was no clear leading (66) language. Users had to choose from among many similar modeling languages with minor differences in overall (67) power. Most of the modeling languages shared a set of commonly accepted concepts that are expressed slightly differently in various languages. This lack of (68) discouraged new users from entering the OO market and from doing OO modeling, without greatly expanding the power of modeling. Users longed for the industry to adopt one, or a very few, broadly supported modeling languages suitable for (69) usage.

Some Vendors were discouraged from entering the OO modeling area because of the need to support many similar, but slightly different, modeling languages. In particular, the supply of add on tools has been depressed because small vendors cannot afford to support many different formats from many different (70) modeling tools. It is important to the entire OO industry to encourage broadly based tools and vendors, as well as niche products that cater to the needs of specialized groups.

（68）处填（）。

A．agreement

B．understanding

C．characteristic

D．diversitv
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选择题

______ you live, I will find you at once.

A．Whatever

B．Whenever

C．Wherever

D．Whichever
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