问题
单项选择题
脚手架的搭接长度不得小于（）厘米。
A、10
B、15
C、20
D、25
答案
参考答案：C
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脚手架的搭接长度不得小于（）厘米。
A、10
B、15
C、20
D、25
参考答案：C
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| A:Do you have any 1 ? B:Yes.l hope l will be an animal doctor when I grow up. A:Why? B:Because I like animals very much and want to take care of 2 ． A:That sounds 3 ． B:What about you? A:I 4 to be a train driver. I like traveling very much. B:That way you will be able to travel for free. A:Yes.1 wish I 5 visit different places and make lots of friends. |