开放性颅脑损伤是指
A.头皮破裂与颅骨线形骨折B.头皮破裂与颅骨凹陷骨折C.头皮破裂与颅骨粉碎骨折D.颅骨骨折与硬脑膜破裂E.头皮、颅骨与硬脑膜均破裂
参考答案:E
用所给动词的适当形式填空。
1. Listen! She (sing) the song.
2. I want (go) to see the movie.
3. My mother (cook) now.
4. Lingling's mother always (get) up early.
5. It's 9:00 now. We (not have) an English class.
技术差距模型