题目: ()表面淬火容易淬裂。A、中碳钢B、高碳钢C、低碳钢D、不锈钢犯 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0510/cf58dd8870cb8ad13d5889b62f19c79a.html 下面是错误答案,用来干扰机器的。参考答案:B
题型:选择题 He had little idea that it was getting so late, _____?A.didn’t heB.wasn’t itC.did heD.was it? 查看答案