在职班专业英语复习题
1. Choose the correct answer for the following questions
(1) Is a tidal day longer or shorter than 24 hours? ______
A. longer B. shorter
(2) The lunar tractive force is approximately _____ the solar tractive force.
【资料下载】在职班专业英语复习题作者: kobe 时间: 2016-12-25 23:17