炮眼布置时,按掏槽眼的方向可分为()。 A.斜眼掏槽 B.直眼掏槽 C.混合式掏槽 发布时间:2018-09-11 07:27 │ 来源:www.tikuol.com 题型:多项选择题 问题: 炮眼布置时,按掏槽眼的方向可分为()。A.斜眼掏槽B.直眼掏槽C.混合式掏槽
题型:多项选择题 选择合适的答语。( ) 1. What did you do yesterday? ( ) 2. Did Mary learn Chinese? ( ) 3. What is she doing? ( ) 4. Who are they? ( ) 5. Is this your grandma? ( ) 6. How was it different? ( ) 7. Is she dancing now? ( ) 8. Why is he eating ice-cream? A. They are my grandparents, B. She is talking to her friend. C. I went to the park. D. Yes,it is. E. No,she didn't. F. Because he feels hot. G. There weren't any buses. H. Yes,she is. 查看答案
题型:多项选择题 外科手套()A.主要用于检查、常规充填手术、修复及根管治疗等工作,是未经消毒的手套B.主要在进行外科和牙周手术时使用的手套C.主要在长时间进行复杂的口腔外科和种植手术时使用的手套D.用于由对乳胶手套过敏者使用的手套E.用于清洁或包装器械、消毒硬质物品及一般的清洁工作时使用的手套 查看答案