翻译：

Cultureshockiscausedbytheanxietythatresultsfromlosingallfamiliarsignsandsymbolsofsocialintercourse.(PassageFour)

Itisnotuncommonforthere_____problemsofcommunicationbetweentheoldandtheyoung.

Thebeachisinanideal（）todrawtourists.

Henoticedthehelicopterhoveringoverthefield.Thentohisastonishment,hesawaropeladder_____outandthreemenclimbingdownit.

Hesetupinbusiness____hisownandwasverysuccessful.