在观察鸡卵的结构中,有许多透明胶状物是它能为胚胎发育提供所需的 ;黄 * * 状透明胶 发布时间:2017-05-24 12:33 │ 来源:www.tikuol.com 题型:读图填空题 问题: 在观察鸡卵的结构中,有许多透明胶状物是 它能为胚胎发育提供所需的 ;黄 * * 状透明胶状物是 其内贮存胚胎发育用的 ;在其上面有一个白色小点是 它含有 物质。为整个鸡卵起保护作用的结构有 和 。
题型:读图填空题 根据句意及首字母提示补全单词。1. -Which would you like to have, tea or coffee? - N . Just some water, please.2. Many people fly to Hainan I to spend their winter vacation.3. If you go to Wudang Mountains, you can take two r to get to the top.4. That new movie is said to be interesting. But I have never s it before.5. Many children know something about Disneyland, e Mickey Mouse and Donald. 查看答案