—I like your sweater.
— . [ ]
A. Yes
B. That's right
C. You're welcome
D. Thank you
答案:D
急性心肌梗死发病后1~2周时,检查哪种血清酶对诊断有帮助()
A.谷丙转氨酶
B.谷草转氨酶
C.肌酸肌酶同工酶CK-MB
D.乳酸脱氢酶
E.肌酸肌酶
自动主汽阀起什么作用?