问题
单项选择题
诊断心肌梗死，特异性最好的酶是（）
A.GOT
B.LDH
C.α-HBDH
D.CK-MB
E.CPK
答案
参考答案：D
解析：CK-MB主要用于心肌梗死的诊断，此酶对诊断心肌梗死较AST、LD的阳性率高，特异性强。
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诊断心肌梗死，特异性最好的酶是（）
A.GOT
B.LDH
C.α-HBDH
D.CK-MB
E.CPK
参考答案：D
解析：CK-MB主要用于心肌梗死的诊断，此酶对诊断心肌梗死较AST、LD的阳性率高，特异性强。
| 根据对话内容，从方框内所给的选项中选出最佳选项。 | |
| A: Hey, Stephen. B: Hi! How is it going recently? A: Terrible! I always feel upset. B: 1.________ A: My parents always ask me to study hard and encourage me before exams. But actually it makes me stressed out. 2.________ B: Don't worry. Why don't you log on to the micro blog (登录微博) to share your feelings with others? A: Really? 3.________ B: Yes, I think so. It's very popular among us young people. You can get many replies from friends in the same situation, which may make you feel better. A: 4.________ B: Let me see. Well, you'd better have a try first. If you have a chance, you should suggest your parents read your micro blog, they'll know you better. A: 5.________ Thank you very much. B: Not at all.
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