Put the verbs in brackets in the past simple tense or past perfect tense.
Neil Armstrong and Buzz Aldrin (collect)________ some moon dust samples before they (return) _________ to Earth.
Giải bởi Vietjack
Đáp án: had collected – returned
As soon as the spacecraft________ into space, the crew started to observe the sun.
Christer Fuglesang said he enjoyed floating around in the _____ environment.
The launch of the Space Shuttle Endeavour _____ broadcast live this morning.
Fill each blank with a suitable word to complete the following passage.
Space exploration 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.
Question 1:
The Astronauts Memorial Foundation honors all American astronauts ________ have lost their lives while on missions or in training.
Join each pair of sentences into one, using the prompts provided.
We are meeting an astronomer tonight. This astronomer has discovered three Earth-like planets.
→ The astronomer ___________________________________________.
Each sentence below contains an error. Underline it and write the correct answer in the space provided.
The astronaut visited our school yesterday morning has flown into space four times.
→ ____________________________________.
Complete the sentences with the words from the box. Use each word once only.
Sally Ride became the first American woman ________ to fly in space in 1983 when she was 32 years old.
Last week they visited a museum. The first artificial satellite is on display there.
→ Last week they ___________________________________________
Complete the sentences with the words from the box. Use each word once only.
This_______ was worn by astronaut Neil Armstrong, the first human to set foot on the Moon.
Complete the sentences with the words from the box. Use each word once only.
The mission not only taught NASA about Venus, but also how to__________ a spacecraft far from Earth.
Neil Armstrong and Buzz Aldrin planted an American flag on the moon. They spoke to President Richard Nixon after that.
→ Before Neil Armstrong and Buzz Aldrin ___________________________
Choose the correct option A, B, C, or D to complete the sentences.
The first _______ was done by Alexei Leonov, a Russian cosmonaut on March 18th, 1965. It was 10 minutes long.
Complete the sentences with the words from the box. Use each word once only.
The________ of Apollo 11 was to land two men on the lunar surface and return them safely to Earth.
