曾用过抗菌药物，疑为伤寒的患者，最有价值的检查是（）
A.粪培养
B.骨髓培养
C.血培养
D.肥达反应
E.血嗜酸性粒细胞计数
参考答案：B
根据句意和首字母提示补全单词。
1. If you don't know the way to your school, you can ask a p______.
2. There are many new s______ on Bridge Street.
3. His sister works in a hospital, she is a n______.
4. The boy is good at maths, he is a c______ boy.
5. Henry is ill (生病), he has to see a d______.
当妊娠合并再障孕妇的血红蛋白低于多少时可导致流产、早产、死胎、死产及胎儿发育迟缓
A．血红蛋白≤30g/LB．血红蛋白≤40g/LC．血红蛋白≤50g/LD．血红蛋白≤60g/LE．血红蛋白≤70g/L
