液压支架按其对顶板的支护方式和和结构特点不同分为（）三种基本架型。A、支撑式 B、掩 发布时间：2019-07-07 12:13 │ 来源：www.tikuol.com 题型：多项选择题 问题： 液压支架按其对顶板的支护方式和和结构特点不同分为（）三种基本架型。A、支撑式B、掩护式C、支撑掩护式D、特种支架
题型：多项选择题 化学与生产、生活、社会密切相关，下列有关说法中不正确的是A．合金材料中可能含有非金属元素B．人造纤维、合成纤维和光导纤维都是有机高分子化合物C．人体内没有能使纤维素水解成葡萄糖的酶，因此纤维素不能作为人类的营养食物D．柠檬、桔子等虽然是具有酸味的水果，但属于碱性食物 查看答案
题型：多项选择题 用方框中所给单词的适当形式填空。salt, mix, bake, throw, fly1. The drink is a _ of three different kinds of fruits.2. You can buy some bread and cakes in the _ .3. Look! Some children are playing with _ disk.4. The soup is too _. I can't stand it.5. The waste paper were __ everywhere. How dirty! leaf , drink, please, taste, fall6. In autumn, the_____ on the tree turn red, yellow and brown.7. Don't take too many things except _____. water while hiking.8. I met a few old friends there and we really had a _____evening.9. He decided _____ the new dish by himself.10. The book has _____from the table to the floor several times. 查看答案
题型：多项选择题 某饭店的职工餐厅进行装修改造。主要施工项目包括墙面抹灰、吊顶、涂料、墙地砖铺设、更换门窗等。某装饰公司承接了该工程的施工，为保证工程质量，对抹灰工程进行了重点控制，应用高级抹灰。在抹灰工程中，高级抹灰要求( )。A．一底层、一面层B．一底层、一中层、一面层C．一底层、二中层、一面层D．一底层、数中层、一面层 查看答案