【单选题】do ... while 循环与 while 循环的主要区别是 ( )
A.
while 循环体至少无条件执行一次,而 do … while 循环体可能都不执行
B.
do … while 循环体中可使用 continue 语句, while 循环体中不允许出现 continue 语句
C.
do … while 循环体中可使用 break 语句, while 循环体中不允许出现 break 语句
D.
do … while 循环体至少无条件执行一次,而 while 循环体可能都不执行
【单选题】Which of the buoys listed below could be used to mark an anchorage?
A.
White buoy numbered 3.
B.
White buoy with a green top
C.
White buoy with orange bands.
D.
Yellow buoy lettered N.
【判断题】要制作音频合成效果,最好在多轨模式下进行,这样便于对各轨道上的素材进行单独处理和调整合成效果()
【简答题】Buoys which mark isolated ers are painted with alternating _________A. green and black bands B. red and white stripes C. green and white bands D. red and black bands
【单选题】do...while循环与while循环的主要区别是( )。
A.
while至少无条件执行一次,而do…while可能都不执行
B.
do…while中可使用continue语句,while中不允许出现continue语句
C.
do…while中可使用break语句,while中不允许出现break语句
D.
do…while至少无条件执行一次,而while可能都不执行
【单选题】Buoys which mark isolated dangers are painted with alternating().
【单选题】Buoys which mark dredging areas are painted().
【单选题】Buoys which mark isolated dangers are painted with alternating ().