【单选题】Why is Dee so interested in these everyday objects such as the churn, the dasher and the quilts? ( )
A.
Dee wants them for everyday use.
B.
Dee sees them as remnants of a quaint time in the past, and wants them for decoration.
C.
Dee wants to sell them for high prices when she goes back to the city.
D.
Dee wishes to send them to the museums.
【单选题】一成年男性,反复右腰部绞痛伴有下腹放射痛4个月,疼痛多在劳动时发作。2小时前再次出现右腰部剧烈疼痛,向下腹部放射。1个月前曾做X检查,未见明显异常。 体查时与拟诊肾绞痛最一致的发现是( )
【单选题】一成年男性,反复右腰部绞痛伴有下腹放射痛4个月,疼痛多在劳动时发作。2小时前再次出现右腰部剧烈疼痛,向下腹部放射。1个月前曾做X检查,未见明显异常。经检查证实右肾盂结石,伴中度肾积水。此时最佳治疗方法是
【单选题】在闭式空调系统中,计算泵的()应考虑回路中设备及管道的压降。
【单选题】以下植物中,不能在花台中使用的是( )。