下列哪种心电图改变有助于低钾血症的诊断()
A. T波高尖
B. U波
C. T波双相
D. ST段弓背抬高
E. P-R间期延长
诉讼时效是指如果权利人不行使权利就丧失请求人民法院依照诉讼程序强制义务人履行义务的期间,它一般适用于( )。
A. 支配权
B. 请求权
C. 形成权
D. 抗辩权
The English weather defies forecast and hence is a source of interest ______ to everyone.
A. speculation
B. attribution
C. utilization
D. proposition
Which one of the following words is the hyponym of the word "furniture"
A. Wardrobe.
B. Aero plane.
C. Projector.
D. Accessory.