下列四条DNA分子,彼此间具有粘性末端的一组是 [ ] A.①② B.②③ C. 发布时间:2017-05-19 23:52 │ 来源:www.tikuol.com 题型:选择题 问题: 下列四条DNA分子,彼此间具有粘性末端的一组是[ ]A.①②B.②③C.③④D.②④
题型:选择题 ——I will go on vacation this Sunday. ——_____________________.A.You’re welcome.B.Have a good timeC.You’re lucky.D.I want to go with you. 查看答案
题型:选择题 物业管理服务的具体内容主要包括()。A.房屋共用部位的维修、养护与管理B.物业管理区域内业主之间的纠纷管理C.物业区域内公共秩序、消防、交通等协管事项服务D.物业管理区域内共用设施设备的维修、养护与管理E.物业档案资料的管理 查看答案
题型:选择题 营养健康教育的意义在于( )A.使各种传染病和地方病大幅度下降,并减少营养不良现象的发生B.通过营养健康教育改变人们的生活方式和行为,使许多疾病的发病率和死亡率明显下降C.营养健康教育可使人们将营养科学知识正确地运用于饮食行为中D.加强社区职能E.减少并治疗慢性疾病 查看答案
题型:选择题 The task at hand now is to (56) the programmers who still use yesterday’s software technology to solve today’s software problems. Object-oriented programming requires a new attitude toward problem (57) . Problem (57) with computer system becomes more natural. Application can (58) be translated into (59) . Although it is commonly believed that it will be easier to train new programmers to use object-oriented techniques than to (60) programmers who have substantial experience in applying conventional programming language constructs.(60)是()A.trainB.retrainC.findD.recruit 查看答案