题型:问答题 简答题 He knew the problem was serious and promised to look into it ____ he reached office.[ ]A. at that moment B. for that moment C. soon D. immediately 查看答案
题型:问答题 简答题 RPI卡环的最佳适应证是()。A.多个前牙缺失,且前牙组织倒凹较大的患者B.缺隙前后都有基牙且缺隙处组织倒凹较大者C.单个前牙缺失患者D.远中游离缺失,且无组织倒凹者E.远中游离缺失,且组织倒凹较大者 查看答案