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Passage D
Even if you are a good high-jumper,you can jump only about seven feet off the ground.You cannot jump any higher because the earth pulls you hard.The pull of the earth is called gravity.
You can easily find out the pull of the earth.
If you weigh yourself,you will know how much gravity is pulling you.
Since there is gravity,water runs downhill.When you throw a ball into the air,it falls back down.Because of gravity you do not fall off the earth as it turns around.
Then,can we get away from the earth and go far out into space?Now you can do it,because spaceships have been invented.The Spaceship will go so fast that it can escape the earth's gravity and carry you into space.
(1)In this passage,the word "gravity" means CC.
A.the force of attraction(吸引) among objects
B.the pull of everything
C.the force which attracts objects towards the center of the earth
D.the force which attracts the earth towards the sun
(2)When you slip on something,you AA.
A.always fall down to the ground
B.sometimes fall down to the other side
C.go up into the air
D.always get wounded
(3)Gravity is strong that BB.
A.it can keep heavy things on the ground
B.it makes you jump only seven feet
C.it always makes you fall down on the road
D.it can keep everything on the earth
(4)BB because gravity pulls it.
A.Water flows everywhere
B.Water flows downwards on the earth's surface
C.We can go everywhere by ship
D.Fish can live in water
(5)We can get away from the earth by spaceship because AA.
A.the spaceship goes very fast
B.the earth cannot pull the spaceship
C.the spaceship has a strange force
D.the spaceship can jump higher than any other things.
【考點(diǎn)】說(shuō)明類.
【答案】C;A;B;B;A
【解答】
【點(diǎn)評(píng)】
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發(fā)布:2025/1/3 19:0:1組卷:0引用:1難度:0.5
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1.Passage A
Many of us have read stories or seen films about space-creatures.They come to Earth in spaceships that look like flying saucer(飛碟).These space-creatures do not look like human beings at all,but they are usually very intelligent(聰明).In one film,they were tiny little men with large heads.When they landed on Earth,they knew exactly what to do.They went straight to the President's palace and made him their prisoner!
The stories about space-creatures are,of course,not true.Space-Creatures exist only in story-books and in films,just like giants(巨人) and fairies.
But many scientists are asking this question.Is there life on other planets?There are millions of planets in the Universe,and Earth is just one of them.Human beings have lived on Earth for thousands of years.Could there be living things on other planets too?Many people believe that the other planets in the Universe are not suitable for living things.They are either too hot or too cold.Some of them have poisonous gases on them that will kill any living thing.
Are scientists sure that there is no life on other planets?
At this stage(階段) we still cannot be sure.All the planets,except the Moon and Mars,are so far away that it will take hundreds of years for spaceships to reach them!
(1)The best title for this passage is "
A.Scientific Wonders:Space-creatures
B.Is There Life on Other Planets
C.Are Scientists Sure
D.Stories about Space-creatures
(2)It is impossible for scientists to know about other planets in the Universe because
A.all the planets,except the Moon,are so far away that it will take hundreds of years for our spaceships to reach them
B.all the planets are too far to reach
C.all the planets,except the Moon and Mars,are so far away that it will take hundreds of years for our spaceships to reach them.
D.All the planets are only too far to reach
(3)Which of the following statements is not true according to the passage?
A.The stories about space-creatures are true.
B.Space-creatures are in stories.
C.Space-creatures are in films.
D.Many scientists are asking if there is life on other planets.
(4)Which of the following statements is true according to the passage?
A.All the planets are either too hot or too cold.
B.Space-creatures are only in story –books and in films.
C.People love giants because they are true
D.Children love fairies because they are true.
(5)In the passage "straight" means
A.upright
B.level
C.directly
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