A:x<﹣1或0<x<2
B:x<﹣1或x>2
C:﹣1<x<0或0<x<2
D:﹣1<x<0或x>2
— What are you doing there?
— I am ________. Breakfast is OK soon.
具有保存价值的档案等都使用碳素墨水书写,这是因为墨汁中的碳 ( )
形近字组词
魄____ 潮____ 暇____ 谦____
魂____ 嘲____ 假____ 歉____