血尿酸和尿尿酸均增高见于
A．慢性肾功能不全B．肾前性急性肾功能不全C．痛风D．尿路感染E．急性肾小球肾炎(肾功能正常)
参考答案：C
Tom's secondhand car wasn't in use and for that reason he ________ it in the newspaper.[ ]
A. advertised for
B. fell for
C. wished for
D. searched for
如图所示，两端开口的U型管中装有水银，在右管中用水银封闭着一段空气，要使两侧水银面高度差h增大，应
A．从左管滴入水银
B．从右管滴入水银
C．让气体升温
D．让气体降温
