包装材料塑料容器存在的三个问题是A、有透气性 B、不稳定性 C、有透湿性 D、有吸着 发布时间：2017-06-21 05:19 │ 来源：www.tikuol.com 题型：多项选择题 X型题 问题： 包装材料塑料容器存在的三个问题是A、有透气性B、不稳定性C、有透湿性D、有吸着性E、有毒性
题型：多项选择题 X型题 读对话，将合适的单词的编号写在横线上，每个单词只能用一次。1. white 2. in 3. new 4. May 5. itZoom: Look! Zip, I have a ____________ bag.Zip: Great! What color is it?Zoom: It's black and ____________.Zip: ____________ I have a look?Zoom: Sure. Here you are!Zip: Wow! How beautiful! What's ____________ it?Zoom: Pencils!Zip: How many pencils do you have?Zoom: Open ____________ and see!Zip: 1, 2, 3......17! You have 17 pencils!Zoom: That's right! 查看答案