题目

I’m a middle school student. In the past, I had some bad ___________. I hardly had breakfast ___________ I usually got up late. I didn’t like exercising. I only exercised one to two times a month. In the evening, I always watched TV ___________ more than two hours. Then I ___________ the internet. I liked to play computer games, so I often stayed up late. My parents thought staying up late was bad for my health, so they were not happy with that.One day, I fainted (昏倒) in a P.E. class. When I ___________, I was in the hospital. The doctor said that my classmates sent ___________ there. 白细胞能吞噬绿脓杆菌，与这一现象有关的是(　　)A. 主动运输 B. 协助扩散C. 自由扩散 D. 细胞膜的流动性