【单选题】石英的三种高温形变体,之所以晶型转变困难,主要原因在于硅氧四面体的连接方式不一样,其中在 α- 方石英中,共顶连接的两个硅氧四面体的连接方式为( )
【单选题】根据资源税法律制度的规定,按照固定税额从量征资源税的是( )。
【单选题】Lisa said that she married him because she was completely ______ by his manners.
【单选题】燃料电池按 燃料 使用类型分为( )大类。
【简答题】用单词正确形式填空 1. This is _____(I )sister. 2. These _______(be) Gina and Lisa. 3. These are his ______(friend). 4. Are these her _______(cousin)? 5. John ______(be) her son.
【单选题】What has Jeremiah Spears learned from his friend Lisa?
A.
To put away a part of the money he receives.
B.
To buy what he needs first.
C.
To list his shopping items.
D.
To make a chart of his wants.