We have()fruit, but plenty of vegetables.
A. a few
B. few
C. a litte
D. litte
有利于平流雾发生的风速条件是()
A. <4节
B. 4~6节
C. 0~24节
D. >24节
系统设计阶段的最后一项工作是编写()。
A. 可行性分析报告
B. 系统设计说明书
C. 系统功能结构图
D. 系统说明书
Anchor shackles should have a breaking strength that is().
A. equal to the chains they are connecting
B. 25% more than the chains they are connecting
C. 50% more than the chains they are connecting
D. 100% more than the chains they are connecting