硬脊膜外腔阻滞麻醉时必须注射试验剂量的局麻药,主要是为了预防()
A.麻醉药物过敏
B.麻醉药物中毒
C.麻醉范围过广
D.全脊髓麻醉
E.以上都不是
参考答案:D
Choose and write. 智力问答。(选词填空)
1. -Where does a lion live?
-In a .
2. -Where does a snake live?
3. -Where does a bird live?
4. -Where does a fish live?
种子