《环境保护法》所称环境，是指影响人类生存和发展的（）的总体。A、非物质文化 B、各种天

短文填空。

　　I have a good friend. His name is John Brown. He is a school 1._____ boy.His school is far from his home.Every day it take him a lot of time to get there. The road 2._____ not flat(平),so he can't 3._____ to school by bike. He often 4._____ there by bus or on foot. It takes him twenty 5._____ to get there by bus or an hour on foot. He must 6._____ up very early everymoming.He 7._____ no time for breakfast at home. He often 8._____ something for breakfast on the way or on the bus. He doesn't want to 9._____ late for school, so sometimes he 10._____to school.

（）是一种将一路输入信号能量分成两路不相等能量的器件。

成人胸外心脏除颤首次采用（）

A.5～50J

B.20～80J

C.200J

D.200～300J

E.360J

固经丸的主治病证是（）

A.遗尿

B.遗精

C.崩漏

D.恶露不行

E.带下

诊断感染性心内膜炎的最重要方法是（）

A.免疫学检查

B.心电图检查

C.X线检查

D.血培养

E.常规生化检查