题目内容

Technical ()and specialized occupations require more training as a greater technicalknowledge is required.

A. 技术的
B. 电子的
C. 科学的
D. 电气的

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Construction is one of the most dangerous occupations() in the world.

A. 使用
B. 居民
C. 占据
D. 职业

Falls are one of the most common causes of fatal and non-fatal injuries ()among construction workers.

A. 行业
B. 攻击
C. 建筑
D. 伤害

土木工程师

A. civil engineer
B. chief engineer
C. process engineer
D. mechanical engineer

实习生

A. expert
B. probationer
C. draftsman
D. technician