题目内容

guardrail

A. 保镖
B. 木匠
C. 管道
D. 护栏

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ladder

A. 工艺;手艺
B. 护栏
C. 阶梯;梯子
D. 脚手架

scaffolding

A. 护栏
B. 阶梯;梯子
C. 脚手架
D. 资格;限制;资历

There are many routes to the different careers within the construction ()industry.

A. 建筑
B. 机械
C. 电气
D. 安装

In the UK these qualifications are either obtained directly after the completion ofcompulsory education or through “on the job” apprenticeship ()training.

A. 师傅
B. 学徒
C. 理解
D. 专业