急性心肌梗死时，LDH变化规律是
A．起病6小时内开始升高，24小时达高峰，持续1～4天
B．起病8～12小时内开始升高，18～36小时达高峰，持续3～5天
C．起病8～10小时内开始升高，2～3天达高峰，持续1～2周
D．起病2～3小时内开始升高，12小时达高峰，持续7～9天
E．起病6～12小时后升高，24～48小时达高峰，持续3～6日
参考答案：C
| 改正句中的一处错误。 | |
| 1. Where's Wuhan and Changsha? 2. Where're the flowers? It's on the table. 3. There is a picture book on dresser. 4. There's a window(窗户)on the wall. 5. We can see some birds on the tree. 6. I need my hat. Please take it here. 7. It's on the floor, between the bookcase or the desk. 8. We aren't know his name. 9. Some things are in the bed. 10. Here is the CDs. | _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ |