______过程是人通过感觉、知觉、记忆、思维、想象等形式反映客观事物的特性、联系或关系的过程。
参考答案：认识
气管哮喘发作期治疗的常用药物有 （）
A.拟肾上腺素类
B.茶碱类
C.肾上腺素皮质激素类
D.抗胆碱能类
E.色甘酸二钠
Memories ________on him as soon as he met the friend whom he had not heard from for over thirty years.
A．crowded in
B．resulted in
C．joined in
D．got in
