2013年5月托福考试备考:托福阅读必备背景资料之雅安地震衍生灾害
根据最新天气预报,今后几天,舟曲地区将出现大到暴雨。专家提醒,要严防降水可能引发的次生地质灾害。 请看《中国日报》的报道: Authorities should also guard against secondary geological hazards, transport people affected to safe areas and provide them with sufficient shelter, food, drinking water and medical s...