遗患无穷: sow the seeds of trouble in the future; be a constant source of further troubles; with consequences of maximum seriousness
养痈遗患: a carbuncle neglected becomes the bane of your life -- leaving evil unchecked spells ruin.; appeasement will bring great disasters afterwards; bring up a raven and he'll pick up your eyes.
Neglecting a carbuncle will cause trouble -- failure to deal sternly with evil-doers will lead to serious trouble . 养痈遗患。
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The moderates , on the other hand , have left an ambiguous and , in the end , harmful legacy 而温和派们则始终态度含糊，最终，遗患无穷。
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This article started with the background of " 3 + x " model , aimed to explore the conception and the essence of " 3 + x " , seeked for the gap between this model and actual biology teaching , disclosed the drawback of " education for tests " that existed in both idea and practice of teaching as well as the lack of role consciousness , efficiency and innovation , and consequently presented relevant teaching strategy and measures 本课题从“ 3 + x ”高考模式产生的背景中追根搠源，探讨“ 3 + x ”的命题立意及实质，从实际的中学生物学教学现状的调查研究中找寻与之不相适应的差距，发现了教育教学中从观念到实施所存在的“应试教育”的遗患，以及课堂教学中存在的主体性、有效性和创新性缺失等问题，进而提出了相应的教学策略和措施。
