Câu hỏi:
08/07/2023 837
Read the passage, then choose the correct options. Write your answer in the box.
The principles of use and disuse states that those parts of organism’s bodies that are used grow larger. Those parts are not tending to wither away. It is an observed fact that when you exercise particular muscles, they grow. Those that are never used diminish. By examining a man’s body, we can tell which muscles he uses and which he does not. We may even be able to guess his profession or recreation. Enthusiasts of body building cult make use of the principles of use and disuse to build their bodies, almost like a piece of sculpture, into whatever unnatural shape is demanded by fashion in this peculiar minority culture. Muscles are not the only parts of the body that respond to use in this way. Walk barefoot and you acquire harder skin on your soles. It is easy to tell a farmer from a bank teller by looking at their hands alone. The farmer’s hands are horny hardened by long exposure to rough work. The teller’s hands are often soft. The principles of use and disuse enables animals to become better at the job of surviving in their world, progressively better during their lifetime as the result of living in that world. Humans, through direct exposure to sunlight, or lack of it, develop a skin color which equips them better to survive in particular local conditions. Too much sunlight is dangerous. Enthusiastic sunbathers with very fair skins are susceptible to skin cancer. Too little sunlight, on the other hand, leads to vitamin D deficiency and rickets. The brown pigment melanin which is synthesized under the influence of sunlight makes a screen to protect the underlying tissues from the harmful effects of further sunlight. If a suntanned person moves to a less sunlight climate, the melanin disappears, and the body benefits from what little sun there is. This can be represented as an instance of the principles of use and disuse: skin goes brown when it is used, and fades to white when it is not.
What does the passage mainly discuss?
Read the passage, then choose the correct options. Write your answer in the box.
The principles of use and disuse states that those parts of organism’s bodies that are used grow larger. Those parts are not tending to wither away. It is an observed fact that when you exercise particular muscles, they grow. Those that are never used diminish. By examining a man’s body, we can tell which muscles he uses and which he does not. We may even be able to guess his profession or recreation. Enthusiasts of body building cult make use of the principles of use and disuse to build their bodies, almost like a piece of sculpture, into whatever unnatural shape is demanded by fashion in this peculiar minority culture. Muscles are not the only parts of the body that respond to use in this way. Walk barefoot and you acquire harder skin on your soles. It is easy to tell a farmer from a bank teller by looking at their hands alone. The farmer’s hands are horny hardened by long exposure to rough work. The teller’s hands are often soft. The principles of use and disuse enables animals to become better at the job of surviving in their world, progressively better during their lifetime as the result of living in that world. Humans, through direct exposure to sunlight, or lack of it, develop a skin color which equips them better to survive in particular local conditions. Too much sunlight is dangerous. Enthusiastic sunbathers with very fair skins are susceptible to skin cancer. Too little sunlight, on the other hand, leads to vitamin D deficiency and rickets. The brown pigment melanin which is synthesized under the influence of sunlight makes a screen to protect the underlying tissues from the harmful effects of further sunlight. If a suntanned person moves to a less sunlight climate, the melanin disappears, and the body benefits from what little sun there is. This can be represented as an instance of the principles of use and disuse: skin goes brown when it is used, and fades to white when it is not.
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Trả lời:
Giải bởi Vietjack
Chọn C
Câu hỏi cùng đoạn
Câu 2:
The word “wither way” could be best replaced by …….
Lời giải của GV VietJack
Chọn D
Câu 7:
It can be inferred that the principles of use and disuse enables organisms to …….
Lời giải của GV VietJack
Chọn C
Câu 9:
In the 2nd paragraph, the author mentioned sun tanning as an example of …….
Lời giải của GV VietJack
Chọn C
Câu 10:
The word “susceptible” could be best replaced by …….
Lời giải của GV VietJack
Chọn B
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At no time ………………………………………………………………………………………..……....
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At no time ………………………………………………………………………………………..……....
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Jack’s success ……………………………………….…………………………………………………...
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