题目

根据句意及首字母或汉语提示完成单词【1】The food in this hotel is good, but the _____(服务)is poor.【2】Get up early, go out for some _____(新鲜的)air and enjoy a healthy life.【3】Waiter, give me the _____(菜单), please!【4】He did the job _____(相当地)well.【5】Jim does ____(最差地)in this English speech contest.【6】Judy's home is c_____ to the school, so she often walks home.【7】—Is she going to be an actress?—Yes. She is taking a_____ lessons on weekends now.【8】They don't like to eat out. They often cook m____ by themselves at home.下列五种溶液：①NaOH 溶液、 ②Ba(OH)2溶液、③Na2SO4溶液、④稀硝酸、⑤混有少量硝酸的MgSO4溶液 （1）指出其中属于碱溶液的     （选填序号）； （2）若将Ba(OH)2溶液与Na2SO4溶液混合，产生沉淀质量是116.5克．需要20％的硫酸钠溶液多少克? (3)若将Ba(0H)2溶液逐滴加人到混有少量硝酸的MgSO4溶液中,所得沉淀的质量与加入的 Ba(OH)2的质量变化符合下列图像的是        (选填序号)·