Space has always been attracting people. Our were as enchanted with stars as we are today. However, only about fifty years ago space stations seemed totally impossible. Then the first space station, Salyut 1, was in Russia. It went up in space in 1971 and was in orbit six months. The stations launched after it circled our planet for years. Perhaps the most important of the space station is that it humans to live for long periods of time in microgravity, or weightlessness. Gravity almost every biological, physical, and chemical process on earth, and the space station gives us a(n) opportunity to a world without gravity and better understand gravity's effects on plants, animals and . The space station is a stepping-stone to the stars. If people are ever going to travel to other planets or maybe even colonize them, we must understand the effects of such long on the human body. The microgravity conditions will allow scientists to create new materials, lighter and stronger metals, and find new for diseases. The space station has turned to be a perfect place to watch and admire our own planet.
Логотип SimpleЦДЗ

Похожие

Задание

Choose the correct options

Space has always been attracting people. Our [descendants|accidents|predators|ancestors]were as enchanted with stars as we are today. However, only about fifty years ago space stations seemed totally impossible. Then the first space station, Salyut 1, was [invented|manufactured|done|made] in Russia. It went up in space in 1971 and was in orbit [for|since|while|in] six months. The stations launched after it circled our planet for years.

Perhaps the most important [interest|profit|bonus|benefit] of the space station is that it [lets|makes|allows|offers] humans to live for long periods of time in microgravity, or weightlessness. Gravity [effects|generates|influences|encourages] almost every biological, physical, and chemical process on earth, and the space station gives us a(n) [unusual|seldom|infrequent|rare] opportunity to [study|learn|introduce|know] a world without gravity and better understand gravity's effects on plants, animals and [humane|humans|humidity|humanity].

The space station is [too|also|as much|as well] a stepping-stone to the stars. If people are ever going to travel to other planets or maybe even colonize them, we must understand the effects of such long [travels|voyages|journeys|moves] on the human body. The microgravity conditions will allow scientists to create new materials, lighter and stronger metals, and find new [treatments|treats|trends|technologies] for [uncured|incurable|non-cured|cureless] diseases. The space station has turned [up|in|off|out] to be a perfect place to watch and admire our own planet.

Тот же тест