伴有焦虑症状的溃疡病人可选用
A．山莨菪碱
B．毒扁豆碱
C．后马托品
D．贝那替秦
E．新斯的明
参考答案：D
The job is so ________ that I could ________ finish it on time.
A．hard; hard
B．hardly; hard
C．hard; hardly
D．hardly; hardly
何谓呼吸暂停？
