题目内容：
被筛选出来的阴性者人数是
参考答案：
答案解析：
单选题：被筛选出来的阴性者人数是
- 题目分类：公卫助理医师
- 题目类型：单选题
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某男性，冶炼厂选煤工，年龄45岁，工龄10年以上。近来主诉咳嗽、气短。X线胸片呈肺纹理增加。此工人最可能患何种肺尘埃沉着
某男性，冶炼厂选煤工，年龄45岁，工龄10年以上。近来主诉咳嗽、气短。X线胸片呈肺纹理增加。此工人最可能患何种肺尘埃沉着病
According to UCP 600，the term “shipment to be made at the en
According to UCP 600，the term “shipment to be made at the end of May”in the lett
（ ）means that the seller delivers the goods to the carrier
（ ）means that the seller delivers the goods to the carrier nominated by him but
IATA
IATA
The minimum charges principle is justifiable because the cos
The minimum charges principle is justifiable because the costs of documentation