Английский - HELP ME, PLEASE! ЧАСТЬ 2. ГЛАГОЛЫ И СУЩЕСТВИТЕЛЬНЫЕ

1) In recent years travelling by air has become more affordable, since the number of airlines __________ (has increased) dramatically and the level of competition has risen too.
2) Nowadays, ____________ (businessmEn) travel over continents to negotiate deals, to take part in conferences and even for a weekend - to relax or sightsee.
3) When we travel, our planes burn lots of fuel, much more than any other ________ (means) of transport. ??-вроде, как и менять нечего!
4) Environmentalists insist that it's necessary to raise people's awareness of the environmental cost of air travelling and to encourage them to avoid __________ (flying) when it is not really necessary.
5) Nanotechnologies and robots will widen people's abilities __________ (dramatically).
6) It's _______ (really) an exciting time to live in, as so many ____________ (fantastical) things are happening around.
7) If the ___________ (technological) development of society doesn't slow down in the near future, ________ (science) will make major breakthroughs in __________ (communication) technologies, space technologies and genetics.
8) Do you ever think about any ___________ (scientific) issues when you use a microwave, a cell phone or a laser printer?

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