----- Nội dung dịch tự động từ ảnh -----
öbjects
a story
discovered gravity one day when he was sitting under a tree. An apple fell from the tree and h
Newton on the head. He realized gravity was the force that kept us on the ground. He al
discovered it kept the moon close to the earth. The story of the apple is probably not true. Howeve
it is a good example of how gravity affects things.
Newton was a genius. Unfortunately, people of his time were not ready for his ideas. They we
critical of his discoveries. Newton was afraid to publish his findings. They sat on his shelf for ov
twenty years. Finally, in 1687, his first book was published. Today, it is considered one of th
greatest works in the history of science.
36. The story of the falling apple describes how Newton might have discovered,
A. the moon
B. apples C. gravity
D. earth
37. Why does the author mention the story of the apple?
A. To show how silly old stories are.
B. It describes Newton's famous discovery.
C. It is the only thing Newton ever published.
D. To say that New Ton is more famous than other scientists
38. Based on the passage, it is likely that Newton's ideas
A. are believed more today than when he was alive.
B. were very popular while he was alive.
C. have been proven wrong by today's scientists
D. are not famous any more.
39. The word "realized" in paragraph 1 means
A. listened carefully to something
B. completely forgot something
C. started to think something is true
D. think carefully.
40. This passage is mainly about
A. how different scientists think of gravity
B. Sir Isaac Newton and his discovery of gravity
C. Sir Isaac Newton's fame and riches during his life
D. Newton and his family