单项选择。 We go to school ____ our bikes eve

（2013年四川资阳3分）若一组2，﹣1，0，2，﹣1，a的众数为2，则这组数据的平均数为　 　．

通常肾创伤的最常用的治疗方法是

A．观察和支持疗法

B．肾周围血肿的早期引流

C．用导尿管冲洗肾盂

D．半肾切除

E．肾造瘘

35. —Hey, Kelin. Happy new year! ______?

—Ok, I guess. My grandma kept cooking and cooking, so I just kept eating.

A．How was your break

B．How is your grandma

C．Where did you go for holiday

D．What did you do in your holiday

简述白塞病的诊断要点。

吴茱萸汤的主治证候中不会出现

A．畏寒喜热

B．呕吐涎沫

C．头痛

D．吞酸嘈杂

E．胁肋胀痛