青年男性，不慎后仰位跌倒，右手掌着地，右肩疼，Dugas征阳性，其诊断是A．肱骨外科 发布时间：2017-12-21 07:45 │ 来源：www.tikuol.com 题型：单项选择题 问题： 青年男性，不慎后仰位跌倒，右手掌着地，右肩疼，Dugas征阳性，其诊断是A．肱骨外科颈骨折B．锁骨骨折C．肱骨大结节骨折D．肩关节前脱位E．肩锁关节脱位
题型：单项选择题 同义句变化。1. Thank you very much. Thanks _____ _____. 2. I often walk to school. I often go to school _____ _____.3. It is not far from my home to school. The school is _____ my _____. 4. She has a shopping list in her hand. _____ _____ a shopping list in her hand. 5. Why don't you leave home a little earlier? Why _____ _____ home a little earlier? 查看答案
题型：单项选择题 新西兰奥克兰大学的研究人员与来自英国和美国的研究小组在4年内共同对将近1.2万名老人进行了11项调查。其中一半的老人服用钙片，而另一半则服用没有药物成分的安慰剂。结果显示，前一组每1000人中突发心肌梗塞、中风甚至死亡的案例比后一组分别多14起、10起和13起。因此服用钙片更容易诱发心肌梗塞、中风和其他心血管疾病。 以下哪项最能反驳上述结论？（）A.诱发心肌梗塞、中风和其他心血管疾病的因素很复杂，不能简单地归结为服用钙片。B.选择服用钙片的老人大都身体较弱，并且患有程度不同的心血管疾病。C.有的老人把发给他们的钙片偷偷扔掉了，并没有全都服用。D.没有充分的证据证明钙片会增加患心脏病的风险。E.选择服用安慰剂组的另一半老人平均年龄比服用钙片组老人要年轻近2岁。 查看答案
题型：单项选择题 The purpose of the requirements definition phase is to produce a clear, complete, consistent, and testable (71) of the technical requirements for the software product. During the requirements definition phase, the requirements definition team uses an iterative process to expand a broad statement of the system requirements into a complete and detailed specification of each function that the software must perform and each (72) that it must meet. The starting point is usually a set of high-level requirements from the (73) that describe the project or problem. In either case, the requirements definition team formulates an overall concept for the system and the defines (74) showing how the system will be operated, publishes the system and operation concept documents, and conducts a system concept review (SCR). Following the SCR, the team derives (75) requirements for the system from the highlevel requirements and the system operations concept. Using structured or object-oriented analysis,the team specifies the software functions and algorithms needed to satisfy each detailed requirements.A．detailedB．outlinedC．totalD．complete 查看答案