影响二次电压的因素有哪些?
参考答案:
1、发动机的汽缸数。
2、火花塞积炭。
3、电容的影响。
4、触点间隙。
5、点火线圈的温度。
24岁初孕妇。妊娠33周,头痛6天,经检查血压160/110mmHg,治疗3天无显效。今晨5时突然出现剧烈腹痛。检查子宫板状硬。最可能的诊断是()
A.妊娠合并急性阑尾炎
B.胎盘早剥
C.前置胎盘
D.先兆子宫破裂
E.异位妊娠
________tomorrow, our ship will set sail for Macao. [ ]
A. However the weather is like
B. However is the weather like
C. Whatever is the weather like
D. Whatever the weather is like