甲基的直接供体是()
A.甲硫氨酸
B.S-腺苷甲硫氨酸
C.N-甲基四氢叶酸
D.胆碱
E.肾上腺素
参考答案:B
I regret ________ that you have failed the exam, but what you should do now is not to regret ______ so
much time but to seize every moment from now on. [ ]
A. to inform; wasting
B. informing; to waste
C. to inform; to waste
D. informing; wasting
患者,女,45岁,失眠2个月,近日来人睡困难,有时睡后易醒,醒后不能再睡,甚至彻夜不眠,舌苔薄,脉沉细。治疗应首选:( )
A.神门、内关
B.神门、胆俞
C.神门、三阴交
D.心俞、脾俞
E.心俞、足三里