法洛四联症常见的并发症_________、__________、_________。
参考答案:脑血栓;脑脓肿;感染性心内膜炎
In relation to the law of contract, explain the general rules relating to the award of damages. (10 marks)
特种设备()人员须具有特种设备操作资质。
A.操作
B.检查
C.定检
D.维护