热力除氧的必要条件是什么？
题型：问答题 简答题
问题：
热力除氧的必要条件是什么？
题型：问答题 简答题
根据句意及汉语提示，写出单词。
1. Di
fferent kinds of _________ (税) are paid in the U.S.
2. Stealing things is a _________ (犯罪).
3. He lives in the _________ (郊区) of Beijin
g and works in the city.
4. It's not my _________(错误), but my mother hits me.
5. In _________ (幻影
) he had seen himself in many struggles.