有一组对边平行，有两个角是直角的四边形是矩形。[ ]
错误
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
Suzhou is _____ beautiful place that _____ many people come to visit it every year. [ ]
A. such; so
B. so; so
C. such a; so
D. such a; such
