A. 小白鼠选尾静脉注射 B. 豚鼠常选颈静脉注射 C. 家兔选耳静脉注射 D. 注射前必须进行局部消毒 E. 注射后注意及时止血
A. Conducts electricity B. Difficult to store C. Large volume necessary to be effective D. Ineffective in powdered metal fire
A. 正确 B. 错误