【简答题】A、血钠过少 B、水钠潴留 C、血钾过多 D、容量依赖型 E、肾素依赖型 肾实质性高血压80%以上由何引起( )
【单选题】具有 一定 质子数和中子数的原子的总体称为( )
【单选题】Johnson does not ______ his workmates and there are often disagreements between them.
【单选题】The man is David Johnson. Johnson is his ____ name and David is his ______ name.