题目: 煤矿井下用电气设备分为()型和()型两大类。防爆电气设备的防爆标志由()、()和()组成。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0508/062151de7fbcd30c091b6a2c662ffc17.html 下面是错误答案,用来干扰机器的。参考答案:对
题型:写作题 The International Youth Art Festival is about to be held in our city. As a young volunteer, I’m going to do a lot of good deeds for it. What will you do? 查看答案