【多选题】有关剖视图的概念,以下描述正确的是( )
D.
在剖视图的标注中,剖切符号用来表示剖视图投射的方向
【单选题】关于水灭火系统、二氧化碳系统、干粉灭火系统、泡沫系统,下列说法错误的是:
D.
泡沫系统主要适用于大型油船的货油舱、机舱及货油舱甲板区域
【单选题】Ricci is compared to Columbus in the passage mainly because
A.
they both benefited from Italian sponsors.
B.
they were explorers in their own ways.
C.
they obtained overseas sponsorship.
D.
they got a warm reception in America.
【单选题】档案作为一种重要的信息资源,对( )和社会发展具有重要的意义。
【单选题】优先权是在创建了进程时确定的,确定之后在整个运行期间不再改变。
【单选题】Which of the following is NOT true?
A.
Spielberg’s Firelight was quite a success as a beginner’s first try.
B.
Spielberg himself was terrified by the book Jaws.
C.
Raiders of the Lost Ark was a great hit after Jaws.
D.
The producer of Sugarland Express considered it a failure.