【单选题】I'm afraid he's ______ the other line.
【单选题】I'm afraid he's more of a talker than a doer, which is _____ he never finishes anything. [ ]
【简答题】北洋军阀的阶级基础是( )和买办资产阶级。
【单选题】I'm afraid he's more of a talker than a doer, which is ______ he never finishing anything. [ ]
【简答题】阑尾的压痛点位于();胆囊的压痛点位于()。
【单选题】— Is he going to the party? — I'm ______. He's very busy. [ ]
【判断题】千手丝兰的叶片边缘全缘,而凤尾丝兰的叶片边缘具有锯齿。