【单选题】(以下3题共用题干)女,8个月。因发热,咳嗽咳痰2天,气急伴发绀2小时入院。体检:体温38.9°C,呼吸80次/分,双肺闻及细湿啰音,心率180次/分,心音低钝,肝肋下4cm。该患儿的临床诊断可能是
【简答题】A.Cucumbers are rich in water and Vitamin A. B.Cucumbers can be used to cure the scar. C.Cucumbers can reduce the wrinkles of the face. D.Cucumbers are effective in tightening the skin.
【简答题】A.It can be used to cure the scar. B.It is rich in water and Vitamin A. C.It can reduce the wrinkles of the face. D.It is effective in tightening the skin.
【简答题】Vitamin D helps bones and muscles grow strong and healthy. Low levels of vitamin D can lead to diseases such as rickets (佝偻病), mainly found in children. The thinning of bone is a common problem as peo...
【单选题】下列哪一项是CIELAB颜色空间的特点?
【单选题】杆长不等的铰链四杆机构,下列叙述正确的是( )。
C.
凡是以最短杆相邻的杆为机架的,均是曲柄摇杆机构