囚牛6
幼苗
共回答了28个问题采纳率:92.9% 举报
During this time I have done a lot of meaningful work,such as looking up data and documents related with the experiment through internet and books,then I have organized meterials and written out the related experiment procedure and shown it to the teacher.After a permission, I started to do the experiment until it was completed.
1年前
9