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问题 单项选择题 A1型题

以下有关牙合支托的描述，错误的是（）

A.支托宽度是前磨牙颊舌径的1／2

B.支托宽度是磨牙颊舌径的1／3

C.支托厚度大于1.3mm

D.支托宽度是前磨牙近远中径的1/2

E.支托呈匙形

答案

参考答案：D

单项选择题

下列哪种疾病可出现周围性发绀

A．慢性阻塞性肺气肿

B．肺水肿

C．大量胸腔积液

D．右心衰竭

E．Fallot四联症
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单项选择题

Questions 1-4

What is a public school in England and Wales？（）

A．A profit-making private school.

B．A non-profit-making independent school.

C．A state school that is funded by non-governmental sources.

D．A secondary school that is open to the majority of British students.
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