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患者，女性，65岁，高血压病20年，血脂高5年，冠心病心绞痛3年，近半个月胸痛发作频繁，休息或含服硝酸甘油效果欠佳，轻咳嗽吐少量白痰，1天来与家人争吵后胸痛持续20分钟不缓解，伴大汗送急诊。 该患者经静滴硝酸甘油、吸氧，胸痛已缓解，心电图仍为供血不足，责任护士向患者讲述避免心绞痛发作的诱因，其中哪项内容不妥
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Presentation (This part will take about 8 minutes) Now, in this part of the test I’m going to give each of you a list of three different topics. I’d like you to select one of the topics and give a short presentation of about 2 minutes. When... (say the name of Candidate A) has finished talking, I’d like you... (say the name of Candidate B), to ask him/her one or two questions. You may make notes while you are preparing and take notes while the other person is talking. All right Here are your topics. (Hand over the topic card, A and B, some blank paper and a pencil to each candidate.) Now you have 2 minutes to prepare. (The candidates are given 2 minutes.) Topic Card Aa. StudyabroadWhat do you think of studying abroadb. SmokingHow can we deal with smokingc. TransportationWill cars replace bicycles in China in thenear futureBa. HometutoringWhat do you think of home tutoringb. EducationWhat are the criteria for a good studenttodayc. ExaminationIs it necessary to have examinations nowa-days All right. Now... (say the name of Candidate A), would you begin by telling us which topic you have chosen and then give your presentation please
尿液从膀胱经阴道自行流出为
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男性，65岁，有慢性便秘史多年。近半年来发现，站立时阴囊部位出现肿块，呈梨形；平卧时可还纳。体检发现外环扩大，嘱患者咳嗽时指尖有冲击感，平卧回纳肿块后，手指压迫内环处，站立咳嗽，肿块不再出现，拟诊腹外疝，准备手术治疗。 为避免术后疝的复发，术前准备中最重要的是
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