第31题: [单项选择]关于小儿呕吐的说法以下错误的是() A. 呕吐物含胆汁,提示病变在十二指肠壶腹以下 B. 呕吐物含有粪质,提示低位性肠梗阻 C. 先天性肥厚性幽门狭窄,呕吐呈喷射性,呕吐物含胆汁 D. 再发性呕吐,反复发作,发病与精神因素有关,腹部无明显阳性体征 E. 婴儿胃呈水平位,易发生呕吐 参考答案:C 答案解析:先天性肥厚性幽门狭窄,呕吐物为胃内容物,不含有胆汁。
第33题: [单项选择]What does the man mean A. The train is always late. B. The train is arriving at 9:30. C. The train is already late. 参考答案:C 答案解析:[听力原文] W: The train will arrive at 9 o’clock. M: Nine o’clock!But it’s already 9:30. Q: Wha