国开《理工英语1》单元自测1(10分) 形考试题 【题目】The technological advances made it possible for the middle classes to enjoy what had once been ________ only to the very rich. manageable measurable affordable 试题来源理工英语1 查看整套课程试卷 此内容查看价格为0.2金币,请先登录如有问题,请联系微信客服解决!