She feels so (stress) after that meeting.

This music is very (relax). I like it.

I watched a (frighten) horror movie today. I don’t want to stay home alone.

My teacher was (shock) by my make up.

stressful

relaxing

frightening

shocked

1)мы знаем,что он работает над проблемой космической связи. 2)если вы совершите,даже малейшую ошибку на компьютерном языке, разговор не получится, и вы обязаны начать с заново.3)читальный зал библиотеки конгресса занимает большая коллекция справочников.

there are many reasons why  everyone   should learn a foreign language.

firstly, learning a language of another country helps one understand its culture.    language becomes a peephole to look at the nation’s culture, its traditions and its history. italian film director federico fellini says, "a different language is a different vision of life". 

research has shown that having studied a foreign language one can understand one’s own language better. it deepens the understanding of one’s own culture. general language skills improve after studying foreign languages.

another thing that talks of the importance of foreign language study is touring to foreign countries.

  eventually, knowing a foreign language  opens new job and employment opportunities in many countries and markets and it's grate!