男性，24岁，心慌气短1年，心电图检查发现房颤，首先需要排除的疾病是（）。 A.房间 发布时间：2017-06-08 20:37 │ 来源：www.tikuol.com 题型：单项选择题 A1/A2型题 问题： 男性，24岁，心慌气短1年，心电图检查发现房颤，首先需要排除的疾病是（）。A.房间隔缺损B.风心病二尖瓣狭窄C.结核性心包炎D.冠心病E.甲状腺功能低下
题型：单项选择题 A1/A2型题 完形填空。 Vanilla is my best friend. She is a lovely girl with two big, beautiful eyes. But she always hides them 1 a pair of black glasses. One day, however, I 2 ended our friendship. I remember that day clearly. We were 3 in the classroom. The teacher was giving us our results of a Chinese exam. I had done badly. I felt so 4 that I wouldn't talk to anyone. At lunchtime, I even stayed in the classroom alone. Suddenly, I heard a 5 . It was Vanilla."You look very unhappy," she said."What's wrong?" I looked at her for a while, but said 6 . I knew Vanilla had got a good mark (分数) in the exam. I thought she was 7 me. I sat silently, but Vanilla didn't go away. She 8 asking me questions,"Is it because of the exam? Do you want me to tell you the right 9 ?" I looked away from her. When I looked up again, Vanilla had gone. And so had my exam paper! I didn't know 10 to do. I looked for my paper everywhere, but couldn't find it. In the afternoon, Vanilla came up to my desk and 11 me my exam paper back. I looked at it and got a big 12 . Vanilla had written the right answers next to every one of my mistakes. How 13 she was! My face turned red. I wanted to hug her, but I only held her hands and said,"Thank you." That afternoon, 14 Vanilla and I were on the way home, I felt quite happy and thanked her again. We are 15 best friends. ( )1. A. behind ( )2. A. slowly ( )3. A. singing ( )4. A. happy ( )5. A. voice ( )6. A. everything ( )7. A. knocking at( )8. A. forgot ( )9. A. answers ( )0. A. that ( )1. A. gave ( )2. A. pain ( )3. A. kind ( )4. A. whether ( )5. A. still B. below B. quickly B. sitting B. sad B. sound B. something B. shouting atB. kept B. exams B. who B. turned B. interest B. brave B. when B. yet C. among C. nearly C. dancing C. funny C. noise C. anything C. laughing at C. practiced C. results C. which C. carried C. surprise C. healthy C. after C. also D. near D. happily D. playing D. excited D. cry D. nothing D. pointing at D. remembered D. notes D. what D. moved D. fun D. careless D. unless D. ever 查看答案
题型：单项选择题 A1/A2型题 [问题1] (1)目前许多管理人员将投资的净现值作为首选的成本效益分析。用100字以内文字，说明什么是净现值 (2)根据上表给出的数据，第5年的累计的成本现值+收益现值是多少利用净现值技术分析该项目是否具有经济可行性并解释原因。 查看答案