下列与继发龋的发生无关的是（） A.牙体组织折裂 B.充填不密合 C.充填体折裂 D 发布时间：2017-05-23 20:21 │ 来源：www.tikuol.com 题型：单项选择题 A1/A2型题 问题： 下列与继发龋的发生无关的是（）A.牙体组织折裂B.充填不密合C.充填体折裂D.龋坏组织未去尽E.未进行窝洞垫底
题型：单项选择题 A1/A2型题 根据短文内容，选出能填入空白处的最佳选项，补全短文。其中有一项为多余选项。 A. But, a few days later, he came back to return the stone to the wise man. B. When he was walking, he found a precious (珍贵的) stone in a river. C. Could you tell me what made you give me this stone without hesitation? D. The traveler left happily. E. The wise man opened his bag to share his food. F. He shook her head and smiled. A wise man traveled in the mountains. 1 The next day he met another traveler who was hungry. 2 The traveler saw the stone and asked the man to give it to him. The wise man did so without hesitation (犹豫). 3 He knew the stone was very expensive and he could get much money by selling it. 4 "I've been thinking all these days," he said. "I know how expensive this stone is, but I give itback to you. Because I hope I can get something more valuable. 5 " Hearing this, the wise man smiled at him and said, "I think you have already got what you want." From the story, we can learn that sometimes it's not the wealth you have but what's inside youis more valuable to other people. 查看答案
题型：单项选择题 A1/A2型题 《安全生产法》规定，对于矿山、建筑施工和危险物品生产、经营、储存单位以外的其他生产经营单位，其从业人员在300人以下的，( )。A．必须设置安全生产管理机构B．必须配备专职安全生产管理人员C．必须设置安全生产管理机构或者配备专职安全生产管理人员D．可以不设置专门机构，但应当配备专职或者兼职的安全生产管理人员，或者委托具有国家规定的相关专业技术资格的工程技术人员提供安全生产管理服务 查看答案
题型：单项选择题 A1/A2型题 2013年3月27日，金砖国家领导人会议在南非德班举行，本次峰会主题为“金砖国家与非洲：致力于发展、一体化和工业化的伙伴关系”。许多像金砖国家这类的国际组织在国际社会中发挥着重要作用。下列关于国际组织的作用说法正确的是( )。①促进国家之间的政治、经济、文化、科学技术的交流与合作 ②调节国际争端，缓解国家间的矛盾，维护世界和平 ③维护各国人民的共同利益 ④协调国际政治、经济关系A．①②③B．②③④ C．①③④ D．①②④ 查看答案
题型：单项选择题 A1/A2型题 男性，患者，50岁。患糖尿病患者10年。一直用胰岛素治疗。今晨皮下注射胰岛素后未进食便外出活动，因突然晕倒被他人送入急诊室。应首先考虑为（）。A.脑出血B.糖尿病酮症酸中毒C.高渗性昏迷D.乳酸酸中毒E.低血糖昏迷 查看答案