粘多糖是一类含有（）和（）的（）糖，它们在组织中常与（）结合为复合物。故提取时须先经 发布时间：2020-02-02 10:09 │ 来源：www.tikuol.com 题型：填空题 问题： 粘多糖是一类含有（）和（）的（）糖，它们在组织中常与（）结合为复合物。故提取时须先经（）或（）使糖-蛋白质间的结合键断裂。
题型：填空题 根据所给情景选择最佳答案。1. 如果你在打电话时想表达你是李平，应该说：[ ]A. I'm Li Ping. B. This is Li Ping. C. That is Li Ping.2. 如果你与Peter是第一次见面，说见到你真高兴！用英语应这样说：[ ]A. How are you? B. Good-bye. C. Glad to meet you.3. 如果你想把Tom介绍给你的同学，你应说：[ ]A. This is Tom. B. He is Tom.4. 如果你想买一些香蕉，询问价格时，你应说：[ ]A. How much are they? B. How many bananas are there? C. What do you want?5. 如果你想问今天的天气如何，你应说：[ ]A. How is the weather like? B. How are you? C. What's the weather like today?6. 你和别人分别时应说：[ ]A. Good-bye. B. Thank you very much.7. 你做了错事向别人道歉时，应说：[ ]A. Sorry B. Excuse me. C. Thank you.8. 当别人帮你复习了功课时，你应说：[ ]A. Thank you for your help. B. Can you help me? C. That's all right.9. 你想表达“我可以用一下你的尺子吗？”应说：[ ]A. May I use your ruler? B. Do you have a ruler?10. 你向别人问路时，首先应说：[ ]A. Excuse me. B. Sorry. C. Hello. 查看答案