Unit 10: Space travel
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Companies have to be ... to customer demand.
A. responsible B. responsive C. responding D. responsively
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.
I love my family so much. They have always been extremely ... to me.
A. mature B. realistic C. supportive D. known
On the ISS ... have to attach themselves so they don't float around.
A. astronauts B. astronautics C. astronautically D. astronautical
Although he did his test, he had to be ... with third place in the competition.
A. content B. contestant C. pleasing D. satisfying
Hailey ... that Mercury was so far away that its parallax angle would be very difficult to determine.
A. realized B. knew C. learned D. promised
Underline the word or phrase that needs correcting and provide correction
The flowers may have five or six petals, colors may range from light pink to dark red.
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 in the blank with ONE suitable word to complete the following passageexplore - telescope - astronaut - Earth - Mars - spaceships - solar system - planets - gravity - astronomer1, Some people believe that there might be alien life on ...2, Last year, I got a ... as a birthday present. Now I look at the stars every night.3, Our ... has eight planets.4, I dont live on the moon. I live on ...5, ... makes things fall down.6, When I was a kid, I wanted to grow up and be an ... and travel in space...
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Fill in the blank with ONE suitable word to complete the following passage
explore - telescope - astronaut - Earth - Mars - spaceships - solar system - planets - gravity - astronomer
1, Some people believe that there might be alien life on ...
2, Last year, I got a ... as a birthday present. Now I look at the stars every night.
3, Our ... has eight planets.
4, I don't live on the moon. I live on ...
5, ... makes things fall down.
6, When I was a kid, I wanted to grow up and be an ... and travel in space.
7, Why do people want to ... space? Why do they want to find out what is out there?
8, Galileo Galilei was a famous ... who used a telescope to study the night sky 400 years ago.
9, Perhaps humans will travel in ... to other solar systems and planets in the future.
10, Astronomers have discovered hundreds of other ... that orbit other suns.
Underline the word or phrase that needs correcting and provide correction
If we have 2 cars, it would be more convenient.