患者女，40岁，CT平扫示右肾近髓质部类圆形较高密度影，直径约2.0cm，边缘清楚锐利，CT值50HU，增强扫描该病变无强化。

最可能的诊断为（）

A.肾细胞癌

B.高密度囊肿

C.肾结石

D.肾错构瘤

E.肾盏积水

F.肾癌

用动词的适当形式填空

1. He wants ________ (swim) in the pool.

2. He likes _________(run ) in the morning.

3. They often go _______( see ) an action movie.

4. School usually _______(start) at 8:30 am and ________(finish) at 4:30 pm.

5. Please _______( fill ) in the blanks.