将火雷管与()按照要求组装在一起就成为起爆雷管。A、点火棒 B、导爆索 C、黑索金 发布时间:2017-10-27 23:45 │ 来源:www.tikuol.com 题型:单项选择题 问题: 将火雷管与()按照要求组装在一起就成为起爆雷管。A、点火棒B、导爆索C、黑索金D、导火索
题型:单项选择题 -Why does the lake smell terrible? -Because large quantities of water . [ ]A.have pollutedB.is being polluted C.has been pollutedD.have been polluted 查看答案