读太阳大气结构图，回答下列问题。
①玉米价格上涨，本地猪饲料生产企业改用大麦作原材料
②猪饲料价格上涨，猪肉价格上涨，生猪养殖规模扩大
③农田水利建设受到重视，节水灌溉技术得到推广
④玉米种植户收入减少，明年玉米种植面积会大幅减少
下列物质放入水中，能形成溶液的是（）
The instructions on the bottle are really _______. I can't understand them at all.
The room was so dirty. We decided ____ (clean) it up.
