射孔枪的承力件和承压件缺陷磁痕应不低于()级精度。
参考答案:1
改写同义,每空一词。
1. How is the weather?
____ ____ the weather ____?
2. What can I do for you?
____I____ you?
3. I ride my bike to the shop.
I go to the shop ____ ____.
4. What's the price of the coat?
____is the coat?
5. I want a cup of tea.
I____ ____a cup of tea.
岩浆沿着岩层裂隙或断层侵入所形成的板状岩体称为“岩墙”,下图为“不同年代相互穿插的岩墙图”。按生成先后排序正确的是 ( )
A.①②③
B.③②①
C.②①③
D.③①②