(1)宋朝初期,人们发现江西上饶有一苦泉,蒸发这种苦泉水会得到胆矾(即硫酸铜),熬苦泉水的铁锅用久了会变成铜锅,这也是湿法炼铜的起源.写出这个反应化学方程式____ ,该反应属于____ 反应.
(2)冷的浓硫酸能使铁表面钝化而不被腐蚀,所以可以将浓硫酸盛放在铁制容器中,但某同学错把稀硫酸装入了铁制容器中,此时如遇明火,就有可能发生爆炸.其原因是(用化学方程式表示):
①____ ②____ .
vegetable,opposite,because,get,go
Jim's grandparents live in a black building.____the building is a bus station.Jim always____off the bus there when he comes to see his grandparents.Between the station and the building is a busy street.____down the street three hundred metres and turn right,there is a big market.Jim's grandparents usually buy fruit,meat and____there.Now they are buying beef there.They like living there____it's easy for them to buy what they need and go out.
中国古代的官衔机构、官职名号各有渊源。“行省”以“行中书省”得名,巡抚则以“巡行天下,抚军安民”而名,“刺史”有“省察治状,黜陟能否,断治冤狱”之意。从名称寓意来看,“刺史”应是