建造木板密闭大的标准要求有（）
A.骨架标准要求
B.钉板标准要求
C.操作时间要求
D.评分要求
参考答案：A, B, C
根据句意和首字母完成单词。
1. John always s______ part of his pay each month. He wants to buy a cell phone with the money.
2. Maria is going to travel s______ interesting with her friends next time.
3. I hear the workers are b______ a subway in the city.
4. Paul wants to be an e______. He studies math very hard.
5. All the students of Class 2 made their New Year's r______ at the beginning of this term.
常压塔转油线穿孔的处理
