第4题: [单项选择]{{B}} Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. They should not ask Steven to drive them. B. It’s not easy to get a taxi. C. They should ask Steven to drive the taxi. D. It’s easy to get to the airport. 参考答案:A 答案解析:[听力原文]
W: I hope it wouldn’t be inconvenient for Steven to drive us to the airport.
M: Would it be
第21题: [单项选择]男孩,6岁,腹痛18小时,伴呕吐2次,呕吐物为胃内容物,发热6小时,体温38.8℃,排稀黄便3次。腹部查体:腹平,双下腹压痛及肌紧张,以右下腹为著,无反跳痛,未触及包块。血白细胞13×109/L,中性粒细胞74%。 对于儿童,支持该诊断最可靠的腹部阳性体征是( ) A. 腰大肌试验(+) B. 闭孔内肌试验(+) C. 结肠充气试验(+) D. 右下腹部固定压痛及肌紧张 E. 肛诊直肠黏膜水肿 参考答案:D