用水平尺测支架顶板水平,应测纵横()面,然后与底座对照。A、一 B、二 C、三 D、 发布时间:2019-07-30 00:12 │ 来源:www.tikuol.com 题型:单项选择题 问题: 用水平尺测支架顶板水平,应测纵横()面,然后与底座对照。A、一B、二C、三D、四
题型:单项选择题 We _____ in this pool when we were young, but now it _____ fish. A.are used to swim; used to keepB.are used to swimming; used to keepC.used to swimming; is used to keepD.used to swim; is used for keeping 查看答案