患者，女，18岁，1天前因在路边摊点进餐后感头昏、疲劳，随后出现米汤样腹泻，间断呕吐，不伴里急后重，大便量多，无黏液脓血。入院查体：体温、血压正常，腹部无压痛，未扪及包块。新鲜大便悬滴检查可见运动活泼呈穿梭状的弧菌。
该患者腹泻的发生机制是（）。
A.分泌性腹泻
B.渗透性腹泻
C.渗出性腹泻
D.动力性腹泻
E.吸收不良性腹泻
参考答案：A
| 选择恰当的句子完成下列对话。 | |
| A: Hey,Ben! How's your new school? B: It's awful. 1 . A: Yeah? What rules? Do you have to wear a uniform? B: 2 . A: Oh,can you go home for lunch? B: 3 . A: What do you have to study? B: Math, science, history, geography and computer science. 4 . But I want to study French and Spanish,too. A: Can't you learn them at school? B: 5 . | |
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