题目: Waste paper shouldn't everywhere .It's our duty to keep our city clean.[ ]A. be thrown B. throwC. is thrown D. are thrown 答案: 答案:A
题型:单项选择题 共用题干题 患者女,30岁,1周前因外伤至冠折,已作完善根管治疗,检查:冠折断面在龈上、牙齿无松动,无叩痛,咬合关系正常,X线片示1|恨充完善无根折。根管预备完成后,做以下哪种处理()。A.FC球暂封B.CP球暂封C.OC球暂封D.75%乙醇棉球暂封E.无需处理 查看答案
题型:选择题 I will remember the teacher teaches us.[ ]A. that B. no matter what C. whatever D. no matter which 查看答案