问题
单项选择题
脚手架立杆的定位点离悬挑梁端部不应小于()㎜。
A、50
B、80
C、100
答案
参考答案:C
脚手架立杆的定位点离悬挑梁端部不应小于()㎜。
A、50
B、80
C、100
参考答案:C
根据对话内容,从方框内的选项中选出能填入空白处的最佳选项。 选项中有两项为多余选取项。 | |
A: Look! 1 B: What's the matter with her? A: 2 B: Yeah. She is alone here. A: What about helping her? B: 3 A: What shall we do to help her? B: 4 Then she may become happy. B: We can also collect school things for the students there. A: 5
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