推土机、挖掘机在城市建筑施工时,噪声昼夜限值分别是( )。 A.75dB、55dB 发布时间:2019-04-14 09:14 │ 来源:www.tikuol.com 题型:单项选择题 问题: 推土机、挖掘机在城市建筑施工时,噪声昼夜限值分别是( )。A.75dB、55dB B.85dB、65dBC.65dB、55dB D.70dB、55dB
题型:单项选择题 —I'm ____ happy that you could go with me to go abroad. —____. It's the first time for me to go abroad. [ ]A. so, I think not B. such, That's all right C. such, I hope not D. so. Me too 查看答案