【单选题】大电流接地系统中,任何一点发生单相接地时,零序电流等于通过故障点电流的( )。
【单选题】Which of the following is most likely to be written as an informative report? ( )
A.
A recommendation from the Information Technology Department that your company install a wireless network
B.
A feasibility study addressing tuition reimbursement to all employees
C.
A comparison of five handheld communication devices that your company might purchase
D.
A summary of information presented at a recent conference for technical writers.
【单选题】Which one is not the most useful categories in term of informative speeches?
A.
speeches about objects.
B.
speeches about processes.
C.
speeches about events.
D.
speeches about spirits.
【单选题】Which of the following is most likely to be written as an informative report?
A.
A recommendation from the Information Technology Department that your company install a wireless network
B.
A feasibility study addressing tuition reimbursement to all employees
C.
A comparison of five handheld communication devices that your company might purchase
D.
A summary of information presented at a recent conference for technical writers.
【单选题】One of the first known methods of advertising is the outdoor ____ .
【单选题】____________ is the most common type of informative presentation.
【单选题】假定羊肉供给不变,牛肉供给减少,这将导致( )
【单选题】It is known to us __________ it was not until 1938 ________ the first colour TV programme began to be broadcast in the world.
【单选题】大电流接地系统中,任何一点发生单相接地时,零序电流等于通过故障点电流的( )
【多选题】大学生应当积极倡导网络文明,坚持文明上网,养成科学、文明、健康的上网习惯,在网络生活中加强社会公德自律,应该做到 ( )