一般来讲，如果反应是在酸性介质中进行，则应采用（）反应釜。如果反应是在碱性介质中进行，则应采用（）反应釜。
参考答案：搪瓷玻璃，不锈钢
东台永丰林里的出口蔬菜有（）。
A、小松菜
B、大叶菠菜
C、黄秋葵
D、青花菜
The nurse is caring for a client who recently underwent a tracheostomy. The first priority when caring for a client with a tracheostomy is（）
A. helping him communicate.
B. keeping his airway patent.
C. encouraging him to perform activities of daily living.
D. preventing him from developing an infection.
