【单选题】Marco______his tales though few people at that time believed it to be true.
【单选题】某猪场40日龄猪发生一种以高热、体表淋巴结肿大,呼吸困难为特征的疾病,剖检可见淋巴结出血坏死,肺水肿。肝肿大出血,该病最可能是
【单选题】I found him easily at the railway station,because he in the crowd. [ ]
【单选题】The great leaders of the world have always______ their principles.
【单选题】用酸度计测定试液的pH值之前,要先用标准()溶液进行定位.
【单选题】The rheme in the sentence “On the table stood Jane” is ____.
【简答题】A.stood by C.stood against B.stood for D.stood over