题目

想要保持健康我们不仅要有合理的饮食还要有足够的锻炼。________________________________________________ 答案：【答案】In order to keep healthy, we need not only right diets but also enough exercise./We need not only right diets but also enough exercise to keep healthy.【解析】想要（为了）保持健康in order to keep healthy；我们we，主格代词；不仅……还not only…but also；合理的饮食right diets；足够的锻炼enough exercise。本句需用不定式表目的，根据句下列现象中质量发生变化的是（ ）A．把菜刀表面磨光B．机器从北京运到广州C．铁水凝固成铁块D．将铁丝通过拉伸机拉长