δ受体激动剂:()
A.吗啡
B.哌替啶
C.二者均是
D.二者均不是
参考答案:C
女性,28岁,妊娠36周,既往体健,化验血Hb60g/L,MCV102fl,WBC4.5×109/L,PLT98×109/L。
最具特征的临床表现是().
A.四肢麻木
B.匙状甲
C.镜面舌
D.出血倾向
E.巩膜黄染
-How did you like Nick's performance last night?
-To be honest,his singing didn't ________ to me much.[ ]
A.appeal
B.belong
C.refer
D.occur