为适应唇颊肌的运动，与其接触的全口义齿基托边缘应做一V字形凹陷切迹的区域为()A．上 发布时间：2017-02-12 01:41 │ 来源：www.tikuol.com 题型：多项选择题 问题： 为适应唇颊肌的运动，与其接触的全口义齿基托边缘应做一V字形凹陷切迹的区域为()A．上唇系带B．下唇系带C．上颊系带D．下颊系带E．翼上颌切迹
题型：多项选择题 补全对话。Li: Hi, Wang Hai! It's a long time since we met last. 1 Wang: I've been to Kunming with my friends.Li: 2 Wang: Yes, of course. And we saw many kinds of flowersthere. 3 Li: Did you meet any foreign visitors?Wang: Yes, a lot. And I talked with some of them.Li: 4 Wang: They said we were very friendly.Li: 5 Wang: The delicious food and the places of interest.A. What did they say about Chinese people?B. You've just come back,haven't you?C. Did you have a good journey?D. What did they like best about China?E. Where have you been?F. There were many foreigners,too.G. All of them were very beautiful.1. _____ 2. _____ 3. _____ 4. _____ 5. _____ 查看答案
题型：多项选择题 小肠是人体营养物质消化和吸收的主要场所。下列有关小肠的结构叙述中，与营养物质的消化功能无直接关系的是( )①小肠绒毛内有大量的毛细血管②小肠内表面有许多环形皱襞、小肠绒毛③肠腺分泌肠液④小肠内有胰液等多种消化液⑤小肠长约5～6米A．①B．②⑤C．①②⑤D．②③④⑤ 查看答案
题型：多项选择题 目前常用防水混凝土的配制方法大体可分4种：骨料级配法防水混凝土、普通防水混凝土、掺外加剂的防水混凝土以及采用特种水泥（如膨胀水泥等）的防水混凝土。其中普通防水混凝土采用的几项措施中，下列哪一项不正确？（）A.采用较小的水灰比 B.采用较高的水泥用量（不小于320kg/m3）和砂率（宜为0.35~0.40） C.掺减水剂 D.水泥强度等级不宜小于42.5，粗骨料最大粒径不宜大于40mm 查看答案