如何测量一棵大树的树干直径?(写出所需器材及实验步骤和相应表达式) 发布时间:2017-07-02 17:42 │ 来源:www.tikuol.com 题型:问答题 问题: 如何测量一棵大树的树干直径?(写出所需器材及实验步骤和相应表达式)
题型:问答题 ---Is that Sandy speaking? ---Sorry, she isn’t in now. She ______the cinema with her aunt.A.has been to B.has been inC.has gone toD.has gone in 查看答案