Задайте вопросы к словам в кавычках 1. "Twice a year" students have vacations.
2. Students "learn" to program electronic devices at an early stage in the course. (Yes/No Question)
3. "I" found out about Intercollege from a friend in Russia.

1) мы знаем, что он работает над проблемами в области космической связи.(его работа связана с проблемами).

2) если вы сделаете даже малейшую ошибку в компьютерном языке, разговор ломается и вы должны идти в начало.( наверное, имеется ввиду, ошибка в алгоритме, программа рушится и надо начинать сначала? )

3) читальный зал библиотеки конгресса - это огромная коллекция справочников.

volleyball (english volleyball from volley — «to strike a ball since summer» (also translate as "flying", "soaring") and ball — "ball") — a sport, command sports game.in the course of game two commands compete on the special platform divided by a grid, aspiring to direct a ball on the party of the contender so that it has landed on a platform of the opponent (to finish to a floor), or the player of a protected command has committed an error.thus for the organization of attack it is authorized to players of one command no more than three contacts of a ball successively (in addition to a contact on the block).the volleyball is not contact, combinational sport where each player has strict specialization on a platform.the major qualities for players in volleyball are a spring ability for possibility highly to rise over a grid, reaction, coordination, physical strength for effective product of attacking blows.there are the numerous variants of the volleyball which has branched off from a principal view:       beach volleyball (the olympic kind since 1996),      minivolleyball,      park volleyball (it is confirmed by congress fivb in november, 1998 in tokyo).

-hello! -hi!

-i have got some problems with my internet. the speed is very low.

-have you got any active downloads?

-yes i have i download new film.

-you have problems with speed because of this download. stop it.

-oh! thanks you helped me!