关于低钾型周期性瘫痪的心电图改变,下面哪项是错误的()
A.出现u波
B.T波低平或倒置
C.P-R间期和Q-T间期延长
D.T波高尖
E.ST段下降,QRS波增宽
参考答案:D
—_____ I finish the book this week?
—No, you ____ . You ____ return it to me the week after next
A.Need; mustn’t; must
B.Should; shouldn’t; may
C.Mus; needn’t; can
D.Can; don’t have to; must
黑热病的传播媒介()疟疾的传播媒介()流行性斑疹伤寒的传播媒介()地方性斑疹伤寒的传播媒介()
A.按蚊
B.中华白蛉
C.恙螨
D.体虱
E.鼠蚤