【单选题】According to Palmer and some other linguists of his time, ______ played one of the most important roles in foreign language learning.
【单选题】新环保法规定:监测机构应当使用(),遵守监测规范。监测机构及其负责人对监测数据的真实性和准确性负责。
【多选题】监测机构及其负责人对监测数据的()负责。
【判断题】Society played an important role in the Parisian city life.
【判断题】所有流入节点的电流之和一定等于所有流出节点的电流之和。
【单选题】Yesterday afternoon, Lucy played _______basketball and Lily played _______ the piano.
【单选题】Now football _______ all over the world. [ ]
【单选题】唇裂手术患儿在全麻清醒后几小时可进流汁( )