问题 单项选择题 A2型题

某患者要求前牙美观治疗。自述牙齿从小就有花斑,而且同村居民也有类似表现。检查见全口牙釉面均可见不同程度的散在黄褐色及白垩状斑,无实质性缺损。该患者的牙病诊断是()

A.猖獗龋

B.氟斑牙

C.四环素牙

D.静止性龋

E.釉质发育不全症

答案

参考答案:B

改错题

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。

I was anxiously waited for your letter, and at last it             76. ___________

reached to me. I am very glad to know that everyone              77. ___________

at home is enjoying good health as usually.                       78. ___________

Things here stay same now as they were before.                  79. ___________

The final exam take place next week. So I am now                80. ___________

busy preparing for them. Anyway, it’s nice to think                81. ___________

that the summer vacation was coming near. I can’t say              82. ___________

how much I want to see you all again. I’m looking                83. ___________

forward to spend the summer holidays with you. Give my           84. ___________

love to father, mother and anyone at home.                            85. ___________

判断题