题目内容：
硅的化学提纯技术的区别主要是中间化合物不同，西门子法是最常用的方法。
A.正确
B.错误
参考答案：
选择题：硅的化学提纯技术的区别主要是中间化合物不同，西门子法是最常用的方法。
- 题目分类：中国大学MOOC慕课
- 题目类型：选择题
- 查看权限：VIP
不可能存在于直拉硅中的杂质和缺陷有（）
不可能存在于直拉硅中的杂质和缺陷有（）这是一个关于缺陷 杂质 半导体材料的相关问题，下面我们来看
Spine surgery is a sub-specialty of orthopedics that has bee
Spine surgery is a sub-specialty of orthopedics that has been developing rapidly in recent years and important.这是一个关于生物医
The error in capitalization in the title “Association betwee
The error in capitalization in the title “Association between Treated and Untreated Obstructive Sleep Apnea and Risk of
Optical microscopy showed that lung tissue damage is milder
Optical microscopy showed that lung tissue damage is milder in hyperoxia solution treatment group than in saline treatme
Better evidence is needed in view of the extent of illicit d
Better evidence is needed in view of the extent of illicit drug use.这是一个关于生物医学英语写作的相关问题，下面我们来看