问题
判断题
在选择焊条时,必须保证焊条熔敷金属的强度大大超过母材金属的强度。()
答案
参考答案:错
在选择焊条时,必须保证焊条熔敷金属的强度大大超过母材金属的强度。()
参考答案:错
从下面的方框中选择适当的句子,完成下列对话。(计5分)
B: Hi! A: 小题1: B: Yes , I am. 小题2: A: Yes, I am Alice. Nice to meet you! B: 小题3: A: How are you, Bob? B: I’m fine, thank you. And you ? A: Me, too. Is this a jacket in English? B: Yes, you are right. A: 小题4: B: Sure. J-A-C-K-E-T A: 小题5: B: Yes, it is my jacket. A: Thank you very much. B: That’s OK. |