下列药物中,不需做过敏试验的是( )。
A.普鲁卡因B.链霉素C.破伤风抗毒素D.利多卡因E.细胞色素C
参考答案:D
解析:[考点] 药物过敏试验法[重点等级] ★★★★
People who exercise _______________ are less likely to feel stress.
A.regularly
B.formally
C.mostly
D.publicly
21原油脱水时,破乳剂的量越大脱盐率越高。