阅读理解。

                                       What does the sign (标识) say?

1. What time does the university park open in March?

A. At 6: 00 am.

B. At 6: 30 am.

C. At 8:00 am.

D. At 8: 30 am.

2. Which sign tells you not to smoke?

A. Sign 2.

B. Sign 4.

C. Sign 6.

D. Sign 8.

3. Where can you see Sign 9?

A. On the playground.

B. At the school library.

C. Near the swimming pool.

D. In the computer room.

男性，41岁。尿频、尿急、尿痛，伴血尿1个月，一般抗生素治疗无效。既往有肺结核病史。尿检：白细胞30～40个/HP，红细胞20～30个/HP。在进行物理检查时，最有可能发现的阳性体征是（）

A.附睾、前列腺扪及硬结

B.脐左侧压痛

C.下腹部压痛

D.肾区明显压痛及叩击痛

E.肾区膨隆