câu1 comlete the sentences with the words or phrases in the box
galaxy/planet/flying saucer/ solar system/astrounaut/outer space/space buggy/weighless/aliens/traces
1A……….flying saucer is sometimes referred to as an Unidentified Flying Object (UFO)
2An ………….astronaut is a person who is traineeeed for travelling in a spacecraft
3Researches made the amazing findings of …………traces ……….. of water on Mars
4A………….space buggy is a vehicle used for driving on the moon
5Our…………..solar system ………..is made up of the sun and all the objects that travel around it
6 Earth is the only known to be habitable to……….. planet ……………life
7 Do you believe …………aliens ………………..exist on other planets?
8 Spacecraft are vehicles used for travel in………outer space
9Our …….. galaxy,the Milkyl,Way, consists or 100-400 billion stars
10.Astronauts on the orbiting space station are ……………weighless because they do not experience a force of gravity
1. flying saucer : đĩa bay
2. astronaut : nhà du hành vũ trụ
3. traces : dấu vết
4. space buggy : toa không gian
5. solar system : hệ mặt trời
6. planet : hành tinh
7. aliens : người ngoài hành tinh
8. outer space : không gian vũ trụ
9. galaxy : dải ngân hà
10. weighless : không trọng lực