David手术是指 A、升主动脉人工血管替换和主动脉瓣置换术B、升主动脉、主动脉窦置换保留主动脉瓣C、升主动脉、主动脉瓣置换和冠状动脉开口移植术D、主动脉瓣置换、升主动脉置换，冠状动脉开口与细人工血管吻合后再吻合至升主动脉上E、自体肺动脉瓣移植至主动脉瓣位置，同种主动脉瓣置换至肺动脉瓣位置
David手术是指
A、升主动脉人工血管替换和主动脉瓣置换术
B、升主动脉、主动脉窦置换保留主动脉瓣
C、升主动脉、主动脉瓣置换和冠状动脉开口移植术
D、主动脉瓣置换、升主动脉置换，冠状动脉开口与细人工血管吻合后再吻合至升主动脉上
E、自体肺动脉瓣移植至主动脉瓣位置，同种主动脉瓣置换至肺动脉瓣位置
相关考题：
David and Xiaoyan arrived at the airport in good time. After checking in at the BA (British Airways) desk, they had their boarding passes checked, put their bags through the X-ray machine and went through the passport control on their way to the departure lounge. They didn抰 have anything to eat because they would eat on the plane, but they had a coffee and then they looked round the shops. Xiaoyan bought something for Mary, but David didn抰 buy anything. Then they went to the gate. They had about 20 minutes to wait before embarking. Suddenly David realized that he hadn抰 got his camera with him. They went back and looked everywhere to see where he could have lost it --- in the shops, in the cafe, at the X-ray machine, at the passport control and at the checking-in desk, but nobody had seen it. 揑 must have left it in the cafe,?said David, 揑 should have put it in my bag. I suppose someone must have walked off with it!?(1). When they arrived at the airport, they had ().A、 hardly any timeB、plenty of timeC、just enough time(2). They first went ().A、 to a restaurantB、to the checking-in deskC、through the passport control(3). David realized that his camera was missing when he was ().A、 in the cafeB、in the departure loungeC、at the gate(4). They looked for the camera everywhere except ().A、 in the shopsB、at the X-ray machineC、on the plane(5). David thought he must have left it ().A、 in the cafeB、in the taxiC、at home
什么票据是可流通的?() A.Pay to John David onlyB.Pay to John David not transferableC.Pay to the order of ABC Co.D.Pay to ABC Co
手术级别描述错误的是?() A、一级手术是指风险较低、过程简单、技术难度低的手术B、二级手术是指风险较低、过程复杂程度一般、有一定技术难度的手术C、三级手术是指风险较高、过程较复杂、难度较大的手术D、四级手术是指风险高、过程复杂、难度大的手术
David: Good morning.l'd like to make an appointment to see Mr Bond this morning , please.Nursc: l' m sorry.I don' t have any appointments this morning.David: Oh , dear.I'm feeling really ill.Nurse: What's the matter?David: I feel terrible.I' ve got a headache , backache and a sore throat.Nurse: Have you got a temperature?David: I think so was hot and cold a1l night and I was sick this morning.Nursc: You feel awful.don't you? Do you think you've got flu?David: Yes, probably.Or an infection in my throat.Nursc: OK.I call give you an emergency appointment.Can you come at the end of th morning? Come at eleven thirty and wait until a doctor is free.David: OK.Thank you.26.David has got a headache , earache and backache.A.RightB.Wrong27.David felt hot and cold during the night.A.RightB.Wrong28.The nurse thinks David has an infection in his throat.A.RightB.Wrong29.Mr Bond is free at 11: 30.A.RightB.Wrong30.David gets an appointment finally.A.RightB.Wrong
以下手术方式可用于治疗右心室双出口的有( ) A、Rastelli手术B、Nikaidoh手术C、动脉调转术(Switch手术)D、全腔静脉-肺动脉连接术(Fontan类手术)E、David手术
What bills are negotiable? 什么票据是可以背书流通的？（）A、Pay to John David onlyB、Pay to John David not transferableC、Pay to the order of ABC Co.D、Pay to bearer.
You are the administrator of your company's network. A user named David runs Windows 2000 Professional on his portable computer. David wants to be able to work at home on files that he created at the office and stored on the company network. Prior to logging off the network and leaving the office, David enables offline files. David calls you from home and reports that copies of his folders and files on the network are not available on his portable computer. What should you instruct David to do, so that he can proceed with his work?（）A、Enable file and print sharing. David will be able to access his files at home immediately. B、Synchronize all offline files. David will be able to access his files at home immediately. C、At the office, make all files available offline. David will be able to access his files the next time he logs off the network. D、At the office, create a shortcut to the Offline Files folder. David will be able to access his files the next time he logs off the network.
What bills are negotiable?什么票据是可流通的？（）A、Pay to John David onlyB、Pay to John David not transferableC、Pay to the order of ABC CoD、Pay to ABC Co
问答题Peter, David and Paul said following sentences: Peter: David is a liar, Paul always tells the truth. David: Peter is truthful. Paul: David is a liar, Peter is truthful. Two of these men always tell the truth, one of them sometimes tells the truth and sometimes lies. Which of these men is a liar?