咽喉红肿疼痛溃烂，为肺胃热毒上冲，是（）必有见证。温疫病疫毒上攻也见此证。若咽喉腐烂而颜色紫黑，为热毒极盛，属危证。
参考答案：烂喉痧
It’s said that there are plenty of hotels in that town. There ____________ be any difficulty for you to find somewhere to stay.
A．wouldn’t
B．shouldn’t
C．needn’t
D．mustn’t
将氯气通入溴化钠溶液,溴被置换是还原。
