【单选题】【消耗次数:1】
附合水准路线内业计算时,高差闭合差采用以下哪个公式计算?
fh=∑h测-(H终-H起)
fh=∑h测-(H起- H终)
fh=∑h测
fh=(H终-H起)-∑h测
参考答案:
复制
纠错
相关题目
【单选题】 附合水准路线内业计算时,高差闭合差采用以下哪个公式计算?
①  fh=∑h测-(H终-H起)
②  fh=∑h测-(H起- H终)
③  fh=∑h测
④  fh=(H终-H起)-∑h测
【单选题】 设物理地址(10FF0H)=10H,(10FF1H)=20H,(10FF2H)=30H,从地址10FF1H中取出一个字的内容是
①  1020H
②  3020H
③  2030H
④  2010H
【判断题】 水泥稳定材料所用水泥初凝时间应大于3h,终凝时间应大于6h且小于10h
①  正确
②  错误
【单选题】 指令MOV A,@R0,执行前(A)=86H,(R0)=20H,(20H)=18H,执行后( )。
①  A=77H
②  A=F7H
③  A=D2H
④  以上都不对
【单选题】 指令MOV R0, 20H执行前(R0)=30H,(20H)=38H,执行后(R0)=( ) 。
①  工作寄存器R0~R7  
②  专用寄存器SFR  
③  程序存贮器ROM
④  片内RAM的20H~2FH安节中的所有位和部分专用寄存器SFR的位
【单选题】 已知:A=D2H,(40H)=77H,执行指令:ORL A,40H后,其结果是:( )。
①  LCALL addr16
②  DJNZ direct,rel
③  SJMP rel
④  ACALL addr11
【判断题】 羧酸的 α-H 比酮的 α-H 活泼。
①  正确
②  错误
【单选题】 下面是一段汇编语言源程序,请指出程序运行后的结果是。ORG0000HMOVDPTR,#TABMOVA,#03HMOVCA,@A+DPTRSJMP$TAB:DB00H,01H,04H,09H,16H,25HEND
①  A=00H
②  A=03H
③  A=09H
④  A=25H
【单选题】 根据以下的HTML代码片段:? h1?style=font-style:italic;color:limegreen;?font-size:30pt;?hello!Nice?to?meet?you!??/h1h1?this?is?the?default?display?of?an?h1?element?/h1 以下描述不正确的是( )
①  第一个h1设置了特定的属性
②  第二个h1用了系统默认的属性
③  “hello!Nicetomeetyou!”的字体颜色是浅绿色
④  “thisisthedefaultdisplayofanh1element”的字体大小为30pt
【判断题】 当被测汽车车速表的指示车速V1为40km/h时,车速表试验台速度指示值V2在32.8km/h~40km/h范围内为合格;()
①  正确
②  错误
随机题目
【单选题】 Johnregretted_______tothemeetinglastweek.
①  not going
②  not to go
③  not having been going
④  not to be going
【单选题】 The weather was terrible outside. She entered the office, her nose ______ with cold.
①  red
②  to be red
③  being red
④  has been red
【单选题】 Body language contains a lot of information. So, ______ your body language
①  be likely to
②  be aware of
③  be friendly with
④  be patient with
【单选题】 A balanced diet is ______ as a quick and effective way to keep in good health.
①  consider
②  considers
③  considered
④  considering
【单选题】 We should not eat or eat less______ food.
①  junk
②  garbage
③  trash
④  rubbish
【单选题】 My brother can take his car apart and put it back together again. I certainly wish he______ me how.
①  would teach
②  has taught
③  will teach
④  teaches
【单选题】 She’s very ______ and would like to see each thing in its place.
①  gathered
②  grouped
③  modernized
④  organized
【单选题】 Keeping eye contact ______ respect for the interviewer and your audience.
①  says
②  pays
③  throws
④  shows
【单选题】 Do plan to arrive ______or a few minutes early for a job interview.
①  no time
②  on time
③  all the time
④  at a time
【单选题】 But for the immediate help from his neibour, the old man______of hunger fifteen years ago.
①  must die
②  must have died
③  would die
④  would have died