雅思写作：英语写作必备词汇-5

　　1-take sth. at face value表面上接受某事;

　　2-The rewards are vast.好处多多;

　　3-The question should be on the agenda.问题应提上日程;

　　4-exhibit quite different symptoms问题各有不同;

　　5-wrestle with the knotty problem努力解决棘手的问题;

　　6-demographic squeeze人口减少