根据句意及所给英语提示完成单词。

小题1:Sudden a scream broke the_____________ (silent) of the night.

小题2:Our English teacher is in medium _________________ (high).

小题3:Parents’ behavior has a great_____________  (affect) on their children.

小题4:Our planet, Earth is becoming more and more crowded and ___________ (pollute).

小题5:I like this job because I want to work _________________(close) with children.

阻塞性黄疸诊断不明时，下列哪种检查方法的价值最小()

A．PTC

B．ERCP

C．B超

D．肝胆生化检查

E．放射性核素扫描