稀释浓硫酸时,应在烧杯等耐热的容器中进行,在玻璃棒的不断搅拌下,缓慢地将
A、硫酸加到水中A
暂无解析
患儿男1岁半,夜间睡眠时出现喉鸣和吸气性呼吸困难,急诊求医,听诊可闻喉传导音,心率150次/分,诊断为急性喉炎。患儿喉梗阻的分度应为()
不是肺炎并心衰的临床表现的是()
Wehopedtobeabletomoveintoournewhouseattheendofthemonth,butthingsdidn’t______asweexpected.
Copernicusmaintainedthattheearth_____roundthesun.
Hedidn‘tseemtomind_____themusicwhilehewasstudying.