为了降低触头之间恢复电压的上升速度和防止出现振荡过电压,有时在断路器触头间加装()。
A.均压电容;
B.并联电阻;
C.均压器;
D.均压电感。
参考答案:B
单词拼写,一空一词.每小题1分,满分10分。
小题1:His e_________ was obvious when he fell asleep standing.
小题2:Many stars in the space are i_________ without a telescope.
小题3:Parents always want their children to b_________ themselves in public places
小题4:-- Do you agree with me?
-- ________(肯定的), I can’t agree more.
小题5:It is difficult to p________ his reaction because he is so moody.
小题6:Anyone who steals from the poor should be a________ of themselves
小题7:It was very ________ (体贴)of you to send me a gift on my birthday.
小题8:J. K. Rowling’s books ________ (吸引) to readers of all age, including parents and their kids.
小题9:In history people fought against _________(特权) in order to create a fairer society
小题10:________(原谅) me. I didn't mean to be impolite or rude.
男性,15岁,3周前发热,咽痛,1周来眼睑轻度水肿,1天前突然剧烈头痛,全身抽搐,意识不清,数分钟后意识清醒,自述头痛,既往无高血压史,BP 170/110mmHg,血红蛋白 120g/L,尿常规蛋白(++),RBC 20~30个/HP,颗粒管型2~3个/HP,尿比重1.025,BUN 13.3mmol/L,眼底视 * * 轻度水肿。出现抽搐。最可能的原因是
A.脑出血B.高血压C.脑血管痉挛D.脑水肿