男，59岁，右侧髋骶部持续性疼痛，夜间加重。2月前被确诊为肾细胞癌，结合图像，最可能

—What a pity that he missed his final shot and ended in a tie!

—Yes, but he didn't lose it ________！ It just wasn't his day.

A．for fun

B．in preparation

C．on purpose

D．after all

---What do you ______ the waste bottles?

---We can sell them instead of throwing them away.

A．deal with

B．to deal with

C．do with

D．to do with

右前斜位X线摄片上食管压迹加深，提示（）。

A.左心室增大

B.右心房增大

C.右心室增大

D.主动脉增宽，扭曲

E.左心房增大

恒电位仪在开机操作前，要做好（）的检查工件。

A.各部端子

B.电源电压

C.输出电流

D.各部接线

简述长城建筑的积极意义和时代价值。