【简答题】“这个死者可能是服毒自杀的”,这一命题的矛盾命题是( )。
【单选题】主人公哈里是骑自行车时被 ( ) 撞死的。
【单选题】. They did everything they could to prevent the pollution ______ the river.
【单选题】If more short journeys were made by bicycles, energy could be saved and pollution ______.
【单选题】_____ we were worried about was _____ they could manage to control the pollution. [ ]
【简答题】主人公( )是骑自行车时被( )撞死的。
【单选题】It remains doubtful ______ immediate measures could be taken to prevent underground water pollution.
【简答题】主人公 ( ) 是骑 自行车时被 ( ) 撞死的。
【单选题】某支气管扩张大咯血的病人,突然中止咯血,张口瞪目,两手乱抓,应首先考虑
【单选题】某支气管扩张大咯血的病人,突然中止咯血,张口瞪目,两手乱抓,应首先考虑