图15-9为主板（12mm×250mm）的平接接长，两块拼接板（8mm×250mm）与主板间采用侧面角焊缝（Q235钢和E43型焊条，
=160N/mm2），焊脚尺寸hf=6mm，连接能承担的静载拉力设计值为（）。
A. 
B.4×0.7×6×410×160
C.4×0.7×6×（60×60-10）×160
D.4×0.7×6×（60×6）×160
参考答案：D
| 从方框中选择恰当的句子补全对话。 | |
| Lily: Hi, Rose! Next Saturday is my birthday. 1 Rose: Oh, I'd love to. 2 Lily: At 3:30 pm. Rose: OK. 1'II remember it. Lily: Don't forget to tell Peter. I hope he can come, too. Rose: Peter? Look! There he is. Let's go and tell him. Lily: Hello, Peter. 3 Peter: Nice to see you, too. Lily: I hope you can come to my party next Saturday. Peter: Party? What kind of party? Lily: 4 Would you like to come? Peter: 5 Lily: Thank you very much. See you then. Peter: See you. | |
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