变异性心绞痛的病理基础最可能为()。
A.冠状动脉痉挛
B.冠状动脉粥样斑块形成致严重狭窄
C.冠状动脉内粥样斑块破裂
D.冠状动脉内粥样斑块出血
E.冠状动脉狭窄
参考答案:A
根据句意和首字母提示填空。
1.Your family name is Mary, and what's your f______ name?
2. Please answer my q______.
3. This is a boy. H______ name is Bob.
4. My telephone n_____ is 280-2785.
5. How do you s______ pencil?
法的时间效力范围