【单选题】软件是计算机系统的灵魂,计算机系统总体性能的高低,除了硬件系统性能之外,在很大程度上取决于软件系统的配置。( )
【多选题】分剪在影视剪辑是常见的,它的作用包括( )
【单选题】When launching a lifeboat,the tricing pennants should be released().
A.
before the boat is lowered from the stowed position
B.
as the boat-fall blocks break clear of the davit head
C.
before the boat is lowered from the embarkation level
D.
after the boat is released into the water
【简答题】名片的标准尺寸为_____mm*______mm。特殊尺寸,可以在宽度上进行变化,最小的宽度不低于45mm。
【单选题】When launching an open lifeboat by falls,the boathooks should be().
A.
secured forward and aft where readily available
B.
secured amidships where they will not hinder the personnel
D.
used for picking up survivors in the water
【单选题】When launching a lifeboat, frapping lines should be rigged _______
A.
before the gripes (固艇索)are released
B.
before the boat is moved from the davits
C.
at the embarkation deck
D.
after the boat is in the water
【单选题】阅读下列代码 import java.io.*; public class Example{ public static void main(String[] args) throws Exception { File file = new File("itcast.txt"); FileInputStream in = new FileInputStream(file); // 以下是用缓冲区读...