Unit 10: Space travel
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In 2015 NASA discovered an Earth-like planet which might be ... because it has "just the right" conditions to support liquid water and possibly even life.
A. inhabited B. inhabitants C. habitable D. uninhabited
Fill each blank with a suitable word to complete the following passage. Spaceexploration is the investigation of the universe beyond the Earth’s atmosphere, by (1) ________ of manned or unmanned spacecraft. Despite the technological advancements achieved in the past, space exploration was only (2) _______ until the 20th century. The first successful orbital launch was made by the Soviet Union in 1957 which was called “Sputnik”. When the topic “SPACE EXPLORATION” is put (3)_______ the table, a qu...
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Fill each blank with a suitable word to complete the following passage. Spaceexploration is the investigation of the universe beyond the Earth’s atmosphere, by (1) ________ of manned or unmanned spacecraft. Despite the technological advancements achieved in the past, space exploration was only (2) _______ until the 20th century. The first successful orbital launch was made by the Soviet Union in 1957 which was called “Sputnik”. When the topic “SPACE EXPLORATION” is put (3)_______ the table, a question has often been asked: “Why should we spend money on NASA while there are so (4) _______ problems here on Earth?” However, this might be partially wrong since exploring the unknown may help us progress. The advantages of space exploration include the materials (5) ________ can be obtained from outer space. For instance, asteroids have iron and nickel which could be utilized to satisfy the (6) ________ for metal. Therefore, numerous commercial companies have invested in developing technology for asteroid mining. Several comets and asteroids (7) ________ solid water in them. This water can be used for astronauts and scientists in space stations. The water can also be broken down to hydrogen which can be used as (8) ______ for the rockets. Scientists also believe that dinosaurs disappeared because they couldn’t go to (9) ________ planet. Sooner or later a killer comet will again cross Earth’s path, threatening all life. Fortunately, (10) _________we have knowledge about comets and space science, we will be able to survive.
Finish each of the following sentences in such a way that it is as similar as possible in meaning to the original sentences. Use the word given anh other words as necessary
1,The class watced a film yesterday.The film was about the Apollo 13 space mission
->The film
2.We are meeting an astronomer tonight.This astronomer has discovered three Earth-like planets
->The astronomer
In 1998 at the age of 77, John Glenn ... with 6 other astronauts on the space shuttle after he ... three orbits around the Earth a long time earlier.
A. flew - made B. was flying - made C. flew - had made D. had flown - made
All the astronauts ... the earth in space capsules are weightless.
A. orbit B. orbiting C. orbited D. are orbiting
..., I go to the cinema, only when there's a film I really, really want to see.
A. Over the moon B. Once in a blue moon C. The sky's the limit D. Out of this world
One of the largest ... found on Earth is the Hoba from southwest Africa, which weighs about 54000 kg.
A. meteorites B. meteoric C. meteors D. meteorite
Double - stars orbit ...
A. each to other B. each other C. each other one D. other each one
In 1543, Nicolaus Copernicus (publish) ... "On the Revolutions of the Heavenly Spheres" claiming that the earth and the planets (orbit) ... the sun.