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Điền từ vào ô trống
Manned space-craft travel at speeds of almost five miles a second. But space-craft are slow..compared...with the fastest traveler in the ..known...universe-light. Scientists calculate that light travels 186000 miles a second!
Swift ....as..it is, light takes time to cross interstellar space. Light from Sirius, a neighboring star, travels for nine years to...reach...us.
Because of the time lights takes to travel the....distance....of space, it is possible to "see" an event long.....after...is has happened. In AD 1054, Chinese astronauts recorded the..appearance.... of an object that ..lit.. up the night sky. They were seeing an exploding star. Yet scientists today calculate that the stars ...exploded..... more than four thousand years ago. .....Like.... the Chinese observers, we too may "see" happening vast distances away and long before our own time.
Điền từ vào ô trống
Manned space-craft travel at speeds of almost five miles a second. But space-craft are slow..compared...with the fastest traveler in the ...observable..universe-light. Scientists calculate that light travels 186000 miles a second!
Swift ...as...it is, light takes time to cross interstellar space. Light from Sirius, a neighboring star, travels for nine years to...reach...us.
Because of the time lights takes to travel the....distance....of space, it is possible to "see" an event long.....after...is has happened. In AD 1054, Chinese astronauts recorded the...appearance... of an object that ..lit.. up the night sky. They were seeing an exploding star. Yet scientists today calculate that the stars ...exploded..... more than four thousand years ago. ....Like.... the Chinese observers, we too may "see" happening vast distances away and long before our own time.
Bài 1 :Put the verbs in brackets in the past simple tense os past perfect tense
1. Neil Armstrong and Buzz Aldrin (collect)......had collected.............. some moon dust samples before they (return)....returned......... to Earth.
2. By the time Yang Liwei (become)........became......... the first person sent into space by the Chinese space program in 2003, NASA had already (send)........sent............ over 100 people.
3. After the spaceship Soyuz 37 (be).......had been...... in orbit around the earth, Pham Tuan and Viktor Gorbatko (conduct)........conducted...........some experiments.
4. When we (arrive)...............arrived...... in Kennedy Space Center, the space shuttle had already (launch)....been launched............. into space.
5. Dennis Tito had already (complete).......completed........ 900 hours of training by the time he (fly).........flew......into space in 2001.
1. The film which/that the class watched yesterday was about the Apollo 13 space mission.
2. The astronomer who/whom/that we are meeting tonight has discovered three Earth- planets.
3. We read about an astronaut who travelled into space in 1961.
4. When Anousheh Ansari travelled into space as a tourist in 2006, Dennis Tito had become the first space tourist in 2001.
5. This is the man who works for NASA.
6. I'm reading an arle which is about NASA's plans to return humans to the moon.
1 The film which/that the class watched yesterday was about the Apollo 13 space mission.
2 The astronomer who/whom/that we are meeting tonight has discovered three Earth-like planets.
3 We read about an astronaut who travelled into space in 1961.
4 When Anousheh Ansari travelled into space as a tourist in 2006, Dennis Tito had become the first space tourist in 2001.
5 This is the man who works for NASA.
6 I'm reading an article which is about NASA's plans to return humans to the moon.
VI.Read the passage carefully, tlien decide whot hen the following,statement are true T) or false (F)
There are nine planets in our solar system. These planets each have their atmosphere and environmental conditions. Scientists have been trying to research other planets to see if it is possible for life to exist on the other eight own bodies in space.
Mercury and Pluto are probably the most difficult to research because of their position in the solar system. Mercury is so close to the sun that with our current technology a space shuttle would burn up before it even reached its atmosphere. Pluto is so far away that some scientists believe that it may not even be a planot but a large asteroid or comet. A space shuttle can not trave that far away because it is so far away from the sun that it would freeze.
Many scientists also believe that our solar system is not alone in the uni- with us. It is difficult to know if there is life present elaewhere in the universe. for many years to come. yerse. Many believe there are several other systems that share the uhiverse .The universe is a complex structure of space that may continue to be a mysterey for many years to come
32. There are nine planets in our solar system, besides Earth. T
33. It is difficult to study the planet Mercury because it is very close to the sun.T
34. We don't know much about Pluto even though we can see it up close F
35. Pluto may not be a planet, according to some scientists. T
36. Scientists have got enough information about the universe F
#Yumi
Each sentence below contains an error. Underline it and write the correct answer in the space provided.
1. The astronaut visited=>WHO VISITED our school yesterday morning has flown into space four times.
2. Pham Tuan had been=>WAS awarded the title Hero of the Soviet Union after returning from space.
3.The site which=>WHERE the space shuttle is going to be launched next week attracts a lot of visitorS.
4. When=>BEFORE Alan Shepard travelled into space in May 1961, Yuri Gagarin became the first person on April 12th , 1961.
5. The rocks WHICH my father always carries them=>0 in his bag came from outer space
1.A. is B. has been C. used to D. was
2.A. life B. truth C. reality D. fact
3.A. which B. what C. that D. who
4.A. make B. let C. do D. help
5.A. force B. pull C. push D. both A & B
6.A. holds B. have C. contains D. both A & B
7.A. lift B. get C. take D. bring
8.A. in B. of C. with D. on