题目内容

USB闪存盘的硬件主要有()等。

A. 控制芯片
B. Flash存储芯片
C. PCB板
D. USB接口

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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

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