近日，中共中央办公厅、国务院办公厅印发了《关于进一步完善医疗卫生服务体系的意见》。《意见》强调，要把保障人民健康放在优先发展的战略位置。《意见》提出，到2035年，医疗卫生服务公平性、可及性和优质服务供给能力明显增强，促进人民群众健康水平显著提升。
For 90 years， the people's army has gone through wars and difficult times， making great sacrifices in exchange for more and more glorious victories， helping the CPC and people achieve great historical merit.
新华社北京2月24日电（记者沈寅飞）近年来，随着“出行即服务”（MaaS，英文全称Mobility as a Service）新概念出现，交通出行领域逐步开展一体化交通出行和一站式服务。目前，北京、广州、济南等多地均开展了MaaS系统应用探索。
阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。Yellowstone National Park offers a variety of ranger programs throughout the park， and throughout the year. The following are descriptions of the ranger programs this summer.
