婴幼儿发生高热惊厥的最常见原因是()
A.低血钙
B.感染
C.低血糖
D.颅内出血
E.破伤风
参考答案:B
解析:感染,如上感、毒痢等是婴幼儿热惊厥的主要原因。
I was so tired that __ I closed my eyes, 1 fell asleep.
A.the moment
B.the moment, when
C.for the moment
D.at the moment when
风心病二尖瓣狭窄并发栓塞最常见于()
A.早搏
B.阵发性心动过速
C.房颤
D.心动过缓
E.房室传导阻滞