She is very hard-working, _____ he is ve 发布时间:2017-06-23 04:02 │ 来源:www.tikuol.com 题型:选择题 问题: She is very hard-working, _____ he is very lazy.[ ]A. when B. that C. which D. while
题型:选择题 眼底见黄白色渗出,并有较少、易数的白色棉绒斑,眼底未见有新生血管。如果检查发现有大面积视网膜毛细血管无灌注区,则较合理的治疗是()A.全视网膜光凝B.局限性视网膜光凝C.黄斑区格子状视网膜光凝D.药物治疗E.玻璃体切除术 查看答案