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当前学科：有机化学(药学专)
题目：
己醛糖的开链结构应有（ ）个旋光异构体
A. 32
B. 8
C. 48
D. 16
答案：
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推荐知识点:
关于文档的保存，以下的说法中正确的一条是（ ）。
不用于抗炎的药物是
该教师使用什么教学方式，该方式主要包含几个阶段？
工序
突发公共卫生事件
从技术、媒介、特征简述远程教育的发展历程。
奎尼丁的电生理作用有：
1. While the train ______ (still move), a great many men suddenly jumped out. I thought that something terrible was happening, so I ran away.2. I’d rather you ______ (give) me a new one instead of having the old one repaired as you did.3. He spends all his spare time planting trees. He says by the end of next year he ______ (plant) 2000.4. It is highly desirable that every effort ______ (make) to reduce expenditure.5. It’s just struck midnight. It’s time we ______ (go) to bed.6. Don’t take his remarks too seriously. He was so upset that I don’t think he really _____ (know) what he was saying. 7. Don’t you remember ______ (meet) him at my house?8. It took me two hours ______ (do) my homework.9.They believed that by using computers the production of their factory ______ (increase) greatly.10. He is squatting beside a notice which ______ (read) “No smoking”.
什么是流出水头？
想象
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