【单选题】若发动机点火系工作正常,下列哪种现象可导致发动机不能起动( )。
【单选题】患儿,一个月前患急性扁桃体炎治愈,近来颜面水肿,尿量减少,尿检查蛋白,少量红细胞及管型,血压轻度增高,治疗2个月后痊愈,考虑是哪型肾炎及少尿的机制是()。
A.
快速进行性肾炎,大量新月体阻塞肾球囊引起少尿
B.
弥漫性毛细血管内增生性肾炎,肾小球内皮细胞及系膜细胞增生挤压毛细血管引起少尿
C.
弥漫性毛细血管内增生性肾炎,肾小管重吸收功能亢进引起少尿
D.
弥漫性新月体性肾炎,系膜和内皮及上皮细胞增生引起少尿
【单选题】患儿1个月前患急性扁桃体炎治愈,近来面部水肿,尿量少。尿检查蛋白(++),少量红细胞及管型。血压轻度增高。治疗2个月后痊愈。考虑是哪型肾炎及少尿的机制是
A.
快速进行性肾炎,大量新月体阻塞肾球囊引起少尿
B.
弥漫性毛细血管内增生性肾炎,肾小球内皮细胞及系膜细胞增生挤压毛细血管引起少尿
C.
弥漫性毛细血管内增生性肾炎,肾小管重吸收功能亢进引起少尿
D.
弥漫性新月体性肾炎,系膜和内皮及上皮细胞增生引起少尿
【简答题】传统点火系中点火提前调节装置通常有()和()两种方式。
【判断题】在分电器上附加有离心、真空和人工三种不同的点火提前角自动调节装置。
【单选题】What is the advantage of the Great Depression, according to Time?
A.
It increased the youth chances for a better job.
B.
It increased the youth's crisis awareness.
C.
It made the youth learn to be mature.
D.
It made the youth more patriotic.
【判断题】高度游标卡尺可专门用来测量高度和划线等。
【判断题】16 游标高度卡尺可专门用来测量高度和划线等。( )
【单选题】What is this passage mainly about?
A.
As to delinquent youth, decentralized correctional programs are more effective than traditional correctional practices.
B.
Correctional institutions are superior to youth services bureaus in that they centralize delinquent youth.
C.
Most delinquent youth are liable to be involved in new offences.
D.
The reason why many experts prefer correctional institutions is that they succeed in rehabilitating delinquent youth.
【判断题】游标高度 卡尺可 专门用来测量高度和划线等