阅读理解。

     Tina is my friend. She comes from Australia. She is a ten-year-old girl. She is quiet and beautiful.

She lives in Jinan now. She has many Chinese friends. Her father and mother are teachers. They teach in

our school.

     Tina likes Chinese very much. She thinks Chinese is very interesting, but very difficult. She often plays with her Chinese friends. We teach her Chinese, and she teaches us English. Tina can speak some

Chinese.

      But she can't write it. Her favorite sport is ping-pong. We play with her on weekends.

1.Where is Tina from?         

A. Jinan.                                 

B. Australia.         

C. America.                        

D. China.

2. How old is Tina?         

A. 13.                  

B. 12.          

C. 11.      

D. 10.

3. Tina thinks ______.         

A. Chinese is very easy         

B. Chinese is very interesting         

C. she writes Chinese well         

D. Chinese is not interesting

4. We learn ______ from Tina.         

A. Chinese          

B. French         

C. English                        

D. ping-pong

5. Tina may play ping-pong with us on ______.      

A. Sundays                        

B. Fridays

C. Tuesdays                      

D. Mondays

男性，36岁，主诉乏力2个月，伴左上腹饱胀感。体检：浅表淋巴结未及，肝未及，脾肋下5cm。红细胞3.6×10¹²/L，血红蛋白90g/L，白细胞170×10⁹/L，血小板300×10⁹/L。分类：原粒0.01，早幼粒0.03，中幼粒0.1，晚幼粒0.4，杆粒0.34，嗜碱性粒细胞0.02，中性粒细胞碱性磷酸酶染色阴性。

如需明确诊断，应先作的检查是（）

A.CT

B.B超

C.血沉

D.骨髓检查和活检

E.蛋白电泳