【简答题】安全色是传递安全信息含义的颜色,用以表达()、()、()、()等。
【简答题】_________是用以表达禁止、警告、指令、指示等安全信息含的颜色,具体规定为___、___、___、___四种颜色。
【单选题】-It's said John will be in a job paying over $ 60,000 ___ year. -Right, he will also get paid by ______ week. [ ]
【单选题】——It’s said John will be in a job paying over $60,000 _____ year. —— Right, he will also get paid by _____ week.
【判断题】我们所看到的秦始皇兵马俑是经过考古学家修复后的状态.