服盐类泻药引起腹泻的原因是A．肠黏膜分泌增多 B．肠腔内渗透压增高 C．肠黏膜吸收障

Online shopping is increasing popular among people in recent years. Some people liked to buy goods online. And I don’t like it, because online shopping is more reliable than the traditional sale. Firstly, some dishonest merchant offer customers to false information online. Secondly, consumers can’t feel the items that is usually presented by means of pictures. This means the items delivering may differ from which consumers expect. As a result, they may risk returning the items at their own expense. Thirdly, the items might be damaged during delivery. In word, online shopping isn’t reliable at all.

女，46岁，平素体健，1周前左足烫伤感染发热，注射庆大霉素后体温正常，但1周后出现水肿、腰痛、尿少，化验尿蛋白(+)，血尿素氮(BUN)16.6mmol/L，血肌酐 284μmol/L，B超示双肾明显增大，最可能的诊断是

A．慢性肾功能衰竭

B．急性肾小球肾炎

C．急性肾功能衰竭

D．急性肾盂肾炎

E．肾病综合征

“主题”原是音乐中的一个术语，意思是主旋律，但是广告主题是广告信息传播中的次要意图。

学生奶采用什么特定的生产技术？

从生殖方式上区分，大象属于胎生动物，那鸡属于什么生的动物？