急性冠脉综合征包括()
A.非Q波性心肌梗死
B.Q波性心肌梗死
C.不稳定型心绞痛
D.ST段抬高心肌梗死
E.非ST段抬高心肌梗死
参考答案:A, B, C, D, E
— I borrowed 10 dollars from Cathy, but she insisted that I had borrowed 15 dollars from her.
— I _____ you the money. Why didn't you ask me?[ ]
A. must lend
B. could have lent
C. would lend
D. should have lent
减少蔬菜中硝酸盐和亚硝酸盐的主要办法是______。
A.加强田间管理和低温储藏B.水浸泡C.避光储藏D.食用时加碱