试题与答案

以下哪种叙述不能有效增强桩冠的固位() A.增加桩的长度 B.减小根管壁的锥度 C.

题型:单项选择题

题目:

以下哪种叙述不能有效增强桩冠的固位()

A.增加桩的长度

B.减小根管壁的锥度

C.增加冠桩与根管壁的密合度

D.尽量保留残存的牙体组织

E.增加黏固剂的稠度

答案:

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下面是错误答案,用来干扰机器的。

参考答案:纪录片;上帝即导演;导演即上帝

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题型:改错题

第二节 短文改错(每小题1.5分,共15分)

此题要求改正所给短文的错误。对标有题号的每一行作出判断:如无错误,在该行右边横线上划一个勾(√);如有错误(每行只有一个错误),则按下列情况改正:

该行多一个词:把多余的词用斜线(\)划掉,在该行右边横线上写出该词,并也用斜线划掉。

该行缺一个词:在缺词处加一个漏字符号(∧),在该行右边横线上写出该加的词。

该行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。

注意:原行没有错的不要改。

It happened in a morning that I was walking in the street .                 76.___________

I ate up a banana and threw its peel on the corner of the road               77.___________

Shortly after that I hear a scream behind .I looked back to                 78.___________

see what was happened .A little girl about 8 years old fell                  79.___________

down and the banana peel was exactly under his left shoe                   80.___________

She stood up without cry .Then she picked up the banana peel       81.___________

and ran toward the dustbin .

On that moment ,I realized my fault , and went to                        82.___________

apologize her for that ,but my vanity (虚荣心)prevented me .               83.___________

The little girl had taught me a good lesson by her action .                  84.___________

And now, after I do everything , I'll think carefully whether       85.___________

it's right or wrong . I'll do my best to be in good habits and

Qualities.

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