问题的核心 _________ of the matter 风险评估risk ___________ 觉察到风险 ___________ the danger 崭新的车a ____________ car 恶毒的话____________ remarks 永久的友谊 ____________ friendship 悲惨的生活 a ____________ life 拥护教育改革 _____________ education reform 文化背景_____________ background 承认罪行an admission of _____________