脚手架搭设过程中,应在()校正步距、横距、立杆垂直度,以防累计误差超过允许偏差。 A 发布时间:2020-02-13 22:02 │ 来源:www.tikuol.com 题型:单项选择题 问题: 脚手架搭设过程中,应在()校正步距、横距、立杆垂直度,以防累计误差超过允许偏差。A.全部杆件搭设完后B.每设一道连墙件后C.每搭完一步后
题型:单项选择题 They two free tickets to Australia, otherwise they’d never have been able to afford to go.A.had gotB.gotC.have gotD.get 查看答案
题型:单项选择题 Though _______ money, his parents managed to send him abroad.A.lackedB.lacking ofC.lacking D.lacked in 查看答案
题型:单项选择题 请在代码中的画线处填写正确的语句 【16】 ,使程序输出hello world!。 //HelloApplet.java Import java.awt.*; Import java.applet.*; Public class HelloApplet extends Public void paint(Graphics g) ______ ("hello world!",20,20); 查看答案