春季我国北方某地区出现虫灾，有关部门派出飞机喷洒虫药，飞机在某一高度匀速飞行喷洒

短文填词。

     (1)O            Sundays, we like (2)g            to the movies. My (3)f            movies are (4)t            .

Some people think they're scary but I like (5)t             very much. I don't like (6)d             because they

are boring. But some people like them because they learn about (7)h             and other things. I (8)o          

go to movies (9)w            my classmates. But now I'm very busy I don't have (10)t            to see movies.

血清非结合胆红素增加，结合胆红素基本正常见于（）

A.肝外胆管梗阻

B.急性血管内溶血

C.肝细胞重度炎症

D.Dubin-Johnson综合征

E.肝内胆管梗阻

不是导致慢性肺心病的疾病是（）。

A.肺脓肿

B.慢性阻塞性肺病

C.反复发生的肺小动脉栓塞

D.先天性肺囊肿

E.支气管扩张

带传动中普通V形带的使用寿命约为（）～5000小时。

A.2000

B.3000

C.3500

D.4000

传染病的发展阶段台为（）

A、潜伏期

B、前驱期

C、明显期

D、转归期