—_________ you ever _________ for a newspaper? —Yes. I think it's a good experience for me. A. Do, write B.Have, written C. Will, write D. Did, write 答案:B下图是同学们熟悉的植物,请据图回答:
(1)夏天,池水变绿的原因是图中______类植物大量繁殖造成的,此类植物单细胞的种类占_______。(2)图中D类植物产生的种子有何特点?__________________________。(3)没有根、茎、叶等器官分化的是[ ]_______植物。(4)A的繁殖方式是用___________。