Listen to a part of a passage twice with a 15-second pause between sentences, and write them down .
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
皮皮学刷刷变学霸
举一反三
【单选题】Federal officials and the nation's airline industry have reached an agreement expected to cut the typical delay from 57 minutes to 46 at Chicago's O' Hare International, the world's most congested air...