阿托品对以下哪种平滑肌作用最强
A.胃肠道平滑肌B.胆管C.输尿管D.支气管E.幽门括约肌
参考答案:A
Is this the computer you want _________? [ ]
A. it repaired
B. to repair it
C. to have it repaired
D. to have repaired
炭疽病易为害的苗木有哪些?