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问题 单项选择题 A型题

即刻非特异性免疫应答发生在感染后

A．感染后4～5天
B．感染后4～96小时内
C．感染后24～48小时内
D．感染后96小时内
E．染后0～4小时内

答案

参考答案：E

填空题

根据句意和音字母提示填空。

1. The baby is c________, because he can't see his mother.

2. At last, he found his ruler in the c________.

3. The w________ is dirty, people can't drink it.

4. When does your father come b________ home?

5. They d________ to visit museums this Sunday.
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单项选择题

牙列与颌骨的关系包括

A．Balk will角平均为30°

B．Bon will三角为等边三角

C．球面学说的半径为12.16cm

D．球面学说以眉间点为中心

E．以上各理论都是
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