【单选题】男性,40岁,因左股骨粉碎性骨折入院,突然发生昏厥、呼吸困难、胸痛。查体,呼吸增快、紫绀,肺部湿音。X线检查,肺不张,胸腔内可见少量积液。肺内的病变是
【单选题】男性,40岁,因左股骨粉碎性骨折入院,突然发生昏厥.呼吸困难.胸痛。查体,呼吸增快.紫绀,肺部湿音。X线检查,肺不张,胸腔内可见少量积液。肺内的病变是
【单选题】David is into football, and he wonders how much time it ______ to be a good footballer.
【单选题】缺铁性贫血的临床表现中,属于组织缺铁表现的是
【单选题】男性,40岁,因左股骨粉碎性骨折入院,突然发生昏厥、呼吸困难、胸痛。查体,呼吸增快、紫绀,肺部湿啰音。X线检查,肺不张,胸腔内可见少量积液。肺内的病变是