支气管哮喘（）。
A．呼气性呼吸困难
B．吸气性呼吸困难
C．大呼吸
D．呼吸浅促
E．呼吸节律异常
参考答案：A
In 1937 Eleanor Roosevelt, who was a disceming stateswoman in her own right, became the first wife of a United States President to hold a press conference.
A． perceptive B． controversial C． generous D． respected
当遇暴雨时，采用全冷凝形式进行压力控制的分馏塔塔顶空冷的运转台数（）。
A.应减少
B.应增加
C.不变
D.是否增加或减少无法判断
