选词填空（从airsickness, safe中选择合适的词填空）对话情景为：A passenger is suffering from the airsickness.CA: You look rather pale. Can Ihelp you?PAX: Yes, please. I’m feeling sick and dizzy. Ifeel like throwing up.CA: You are suffering from1 . Here is an airsickness bag.PAX: Can you help me go to the toilet?CA: You are not2 alone there. You had better lie down and have a rest. Here is a cup of water to rinse out your mouth if youvomit.PAX: Thank you. That’s very considerate of you.CA: That’s all right. If your airsickness is getting worse, please call us immediately.请选择第一个空的正确答案。