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问题 单项选择题 B型题

硬结直径5～9mm（）

A.PPD试验（+）

B.PPD试验（++）

C.PPD试验（+++）

D.PPD试验（++++）

E.PPD试验（-）

答案

参考答案：A

填空题

根据句意和所给首字母，在句子空白处填入适当的单词。

1. Everyone should care for wild animals in d_________.

2. His book is very thick(厚的)，but mine is t_________.

3. Our h_______ is becoming more and more beautiful.

4. She always gets n________ before a big exam.

5. You are s________ to study hard when you are at school.

6. He lives in a very poor v_______, so his parents can't afford his education.

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单项选择题

MRI与CT相比，下列哪项不是其特点（）

A.对火器伤诊断价值高

B.造影剂安全系数较大

C.直接多轴面成像

D.对钙化和骨质结构不敏感

E.无射线损伤
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