下列哪一项是阿司匹林对冠心病的治疗作用()
A.降低血脂
B.消炎止痛
C.降低心肌耗氧量
D.抑制血小板聚集
E.抑制免疫反应
参考答案:D
根据下列答句写问句。
1. ________________________________________
The lamp is on the desk.
2. ________________________________________
My seat is near the door.
3. ________________________________________
The floor is green.
4. ________________________________________
I have an English book, a Chinese book and a math book.
5. ________________________________________
I can see a pink schoolbag.
“致力于增强满足质量要求的能力”,并构成质量管理活动的一部分,是指( )。
A.质量目标 B.质量策划 C.质量保证 D.质量改进