【简答题】As we have seen, safety engineers can offer help at the design stage by (1) proposing (put forward) improvements that can (2) _________ (cut down) the risk of accidents. For example, when some new mac...
【简答题】根据题中所给的或首字母写出符合句意的单词的正确形式。 1. Building such a bridge is not an easy job; we must have enough ________ (专业的) engineers. 2. My sister is an e________ for a local newspaper. 3. When did the company last ...