题型:问答题 简答题 传染病的流行需具备的基本条件()A.要有病原体存在B.有病原体存在,并且传播容易实现C.有人群易感,即可流行D.有传染源,传播途径易实现,人群易感性低E.有传染源,有能实现的传播途径,有易感性高的人群存在 查看答案
题型:问答题 简答题 肝血管瘤与肝囊肿的鉴别应该采用哪种核医学检查()A.放射性核素肝胆动态显像B.肝血流灌注及肝血池显像C.99mTc-RBC消化道出血显像D.异位胃黏膜显像E.99mTc胶体作消化道出血显像 查看答案
题型:问答题 简答题 Ever since Jerusha started her college, she began to write letters. Through a series of letters, from freshman to senior in college, she shared her life and study with an unknown gentleman, who never wrote back. Here is the very first letter.Dear Mr. Kind, Here I am! I traveled yesterday for four hours in a train. It's a funny experience. I never rode in one before. College is the biggest, most confusing place — I get lost whenever I leave my room. I will tell you more later when I'm feeling less puzzled. Now I want to write a letter first just to get me familiar to you. It seems strange to be writing letters to somebody you don't know. It seems strange for me to be writing letters at all — I've never written more than three or four in my life, so please overlook it if they are not a model kind. Before leaving yesterday morning, Mrs. Lippett and I had a very serious talk. She told me how to behave, especially towards the kind gentleman who is doing so much for me. I must take care to be very respectful. I have been thinking of you a great deal this summer; having somebody take an interest in me after all these years makes me feel as though I had found a sort of family. It seems as though I belonged to somebody now, and it's a very comfortable feeling. I must say, however, that when I think about you, my imaqination has very little to work upon. There are just three things that I know: I .You are tall. II .You are rich. III. You hate girl. I suppose I might call you Dear Mr. Girl-Hater. Only that's rather unpleasant to me. Or Dear Mr. Rich-Man, but that's unpleasant to you, as though money were the only important thing about you. Maybe you won't stay rich all your life; But at least you will stay tall all your life! So I decide to call you Dear Daddy-long-legs. I hope you won't mind. It's just a private pet name — we won't tell Mrs. Lippett.The ten o'clock bell is going to ring in two minutes. Our day is divided by bells. We eat and sleep and study by bells. There it goes! Lights out. Good night. You can see how strictly I obey rules due to my training in the John Grier Home.Yours most respectfully,Jerusha Abbott小题1:Which of the following is NOT the reason for Jerusha to write the letter to Mr.Kind?A.To get her familiar to him.B.To present her thankfulness to him.C.To share her brand-new college life with him.D.To apologize to him for not writing letters too often.小题2:If Mrs. Lippett learned that the writer calls the man she writes to Daddy-long-legs, she would probably .A.burst into laughterB.think it acceptableC.criticize the writerD.inform the man小题3:By "when I think about you, my imagination has very little to work upon.", the writer intends to tell us that .A.the man she writes to is dull and boringB.she is not familiar with the one she writes toC.it is not interesting at all to write to a strangerD.she lacks imagination when it comes to writing a letter小题4:Jerusha was probably while she worked on the letter.A.curiousB.light-heartedC.seriousD.skeptical 查看答案
题型:问答题 简答题 1987年联合国环境与发展委员会发表了( ),全面准确地为可持续发展下定义。A.《全球21世纪议程》B.《可持续发展的环境规划对策》C.《我们共同的未来》D.《人类环境宣言》 查看答案