随年龄增加,胰腺的声像图改变表现为()。 A.回声减低,体积增大 B.回声无改变,体 发布时间:2017-05-03 20:59 │ 来源:www.tikuol.com 题型:单项选择题 A型题 问题: 随年龄增加,胰腺的声像图改变表现为()。A.回声减低,体积增大B.回声无改变,体积缩小C.回声增高,体积增大D.回声增高,体积缩小E.回声减低,体积缩小
题型:单项选择题 A型题 患者女,57岁,三个有前发烧。CT扫描示右上肺胸膜下多房性空洞。部分空洞内可见小气液平面,病变周围散在小斑片状病灶,相邻胸膜增厚,最可能的诊断为:A.结核性空洞B.慢性肺脓疡 C.空洞型肺癌D.肺大泡合并感染E. 支气管扩张并感染 查看答案
题型:单项选择题 A型题 (6分)如图甲是建筑工地上的塔式起重机示意图,它是通过电动机带动如图乙所示滑轮组起吊物料的。如果这个滑轮组把6×103N的重物在10s内匀速提升10m,绳索自由端的拉力F=2.1×103N,不计一切摩擦和绳重。求:(1)拉力的功率; (2)该滑轮组的动滑轮重;(3)该滑轮组的机械效率。 查看答案
题型:单项选择题 A型题 阅读理解。 (A)Dear Abby, In a recent column, a lady wrote to say that one of her guests at a dinner party had stolen a fork. She did not know how to 1 it. I was not that guest, but over the last ten years I have 2 three things from where I have been a guest. Abby, I cannot understand 3 I took these things! I have thought over as to how I can give these things 4 ! I cannot do it openly and 5 that I took them. This is a small town, and I am well known here. If just one of these people 6 about it, I would be finished. Abby, what is wrong with me? They are 7 unimportant things. I considered seeing an __8 fora long time, but should I be 9 going to an expert, it would be known in the entire town 10 . I am surethousands of people like me wish to have the courage to return __11 does not belong to themselves. Should I just wait until it is 12 , and then find a good chance to 13 the things in the mailboxes of their right 14 ? Help me! I’m eagerly looking forward to your reply! A Guilty Conscience (B)Dear Guilty Conscience, Yes. It will make you feel 15 to tell your story, but it will not solve your problem. You need to 16 help to find out why you took those things so you won’t 17 this kind of behavior. See an expert in 18 town or city nearby to protect your 19 . He/She will give you much help. Please 20 my advice, and let me hear from you again. I care. Abby( )1.A. get( )2.A. made( )3.A. when( )4.A. out( )5.A. remember( )6.A. talked ( )7.A. hardly( )8.A. editor( )9.A. avoided( )10.A. in no time( )11.A. which( )12.A. dark( )13.A. research( )14.A. owners ( )15.A. worse ( )16.A. provide( )17.A. realize ( )18.A. other( )19.A. story ( )20.A. followB. coverB. takenB. howB. backB. unders tandB. worriedB. reallyB. officialB. understoodB. at one timeB. thatB. dawnB. bringB. relativesB. goodB. seek B. continueB. the otherB. clue B. offer C. recoverC. borrowedC. whereC. off C. admitC. quarreledC. latelyC. expertC. seen C. ahead of timeC. as C. brokenC. put C. parents C. bad C. supply C. stop C. others C. privacy C. refuseD. discoverD. delivered D. why D. awayD. forget D. imagined D. shortlyD. artist D. allowed D. for the time being D. what D. gone D. carry D. friends D. better D. enjoy D. mention D. another D. article D. send 查看答案
题型:单项选择题 A型题 110KV及以上送变电工程带电启动应具备的条件包括()A.工程已通过验收B.工程启动、试运方案已获批准C.已完成各项生产准备工作D.确认工程已具备启动带电条件E.工程质量监督机构已对工程进行检查,已有认可文件 查看答案