直接刺激胰岛β细胞释放胰岛素的降血糖药是
A．二甲双胍
B．苯乙双胍
C．阿卡波糖
D．甲苯磺丁脲
E．甲硫氧嘧啶
参考答案：D
肌无力危象(myasthenic Crisis)
I really appreciate ________ to relax with you on this nice island． [ ]
A．to have had time
B．having time
C．to have time
D.to having time
