心脏性猝死是指急性症状开始的多少小时内发生心脏骤停()。
A.1小时内
B.2小时内
C.3小时内
D.4小时内
E.5小时内
参考答案:A
In relation to contract law:
(b) Explain and distinguish between a ‘principal contract’ and an ‘ancillary contract’. (3 marks)
化脓性扁桃体炎表现为()。
A.稽留热
B.弛张热
C.间歇热
D.波状热
E.不规则热