题干
— How much is the scarf?
— ____($110，too expensive)
答案(点此获取答案解析）
It's$110. It's too expensive.
— How much is the scarf?
— ____($110，too expensive)
产生黄绿色气体；②向FeCl2溶液中通入少量实验①产生的气体，溶液变黄色。下列判断正确的为
