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左右撇子之謎：終於找到答案了！？ Why Are There More Right-Handed People Than Left-Handed People?
Why Are There More Right-Handed People Than Left-Handed People?
8/12 解析英語
作者 Mark Darvill
閱讀時間 6分鐘
聽講解 聽朗讀
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左右撇子之謎：終於找到答案了！？ Why Are There More Right-Handed People Than Left-Handed People?
世界上右撇子的人數遠比左撇子還多更多，這是廣為周知的。
目錄 / Tips & Analysis / More to Learn / 中文翻譯(& 答案)
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It’s widely recognized that there are far more right-handed people than left-handed people in the world. Being right-handed simply means preferring to use one’s right hand for tasks that involve only one hand, such as writing and eating. But have you ever wondered about the possible reasons behind the global dominance of the right hand over the left?
As with many complex biological questions, multiple factors appear to be at play. First, one reason seems to be genetics. __1__ Therefore, the global dominance of right-handedness is something that has been passed down through many generations of humans.
Next, the answer may also be related to how the human brain works. __2__ Interestingly, the left and right hemispheres control movements on opposite sides of the body. In other words, the left side of the brain controls the right side of the body, and vice versa. Moreover, the left side of the brain is the side responsible for planning and fine motor skills. __3__
Finally, cultural influence also plays a role in which hand people prefer. Historically, items that require physical manipulation have been designed for right-handed use. For example, tools like scissors and musical instruments are often constructed with right-handers in mind, making it difficult for left-handers to use them. __4__
While these factors offer some explanation, they remain speculative. The precise reasons for the global prevalence of right-handed people continue to be debated. Nevertheless, left-handedness will remain a phenomenon of great curiosity among scientists and researchers for many years to come.
(A) Specifically, different areas of the brain control different functions.
(B) Thus, this side tends to be more active when the body is engaged in physical tasks.
(C) Research has shown that the preference for one hand over the other can run in families.
(D) Consequently, many people born naturally left-handed may have had to adapt by learning to use their right hand.
↓ 完整文章版本（無挖空）
It’s widely recognized that there are far more right-handed people than left-handed people in the world. Being right-handed simply means preferring to use one’s right hand for tasks that involve only one hand, such as writing and eating. But have you ever wondered about the possible reasons behind the global dominance of the right hand over the left?
As with many complex biological questions, multiple factors appear to be at play. First, one reason seems to be genetics. Research has shown that the preference for one hand over the other can run in families. Therefore, the global dominance of right-handedness is something that has been passed down through many generations of humans.
Next, the answer may also be related to how the human brain works.Specifically, different areas of the brain control different functions. Interestingly, the left and right hemispheres control movements on opposite sides of the body. In other words, the left side of the brain controls the right side of the body, and vice versa. Moreover, the left side of the brain is the side responsible for planning and fine motor skills. Thus, this side tends to be more active when the body is engaged in physical tasks.
Finally, cultural influence also plays a role in which hand people prefer. Historically, items that require physical manipulation have been designed for right-handed use. For example, tools like scissors and musical instruments are often constructed with right-handers in mind, making it difficult for left-handers to use them. Consequently, many people born naturally left-handed may have had to adapt by learning to use their right hand.
While these factors offer some explanation, they remain speculative. The precise reasons for the global prevalence of right-handed people continue to be debated. Nevertheless, left-handedness will remain a phenomenon of great curiosity among scientists and researchers for many years to come.
單字片語整理
Words in Use
●
dominance [ˋdɑmənəns]
n. 主導地位；優勢
●
biological [͵baɪəˋlɑdʒɪk!]
a. 生物 (學) 的
●
genetics [dʒəˋnɛtɪks]
n. 基因學 (不可數)
●
hemisphere [ˋhɛməs͵fɪr]
n. （地球）半球
●
manipulation [mə͵nɪpjʊˋleʃən]
n. 操縱；控制
●
speculative [ˋspɛkjə͵letɪv]
a. 推測的
●
prevalence [ˋprɛvələns]
n. 普及，流行
Extra Words
●
motor [ˋmotɚ]
n. 馬達
Practical Phrases
●
be at play 有影響，起作用
Climate change is a complex issue with multiple factors at play.
氣候變遷是個複雜的議題，有多重因素造成了影響。
●
pass down.../pass...down 傳承⋯⋯
It's a family recipe passed down from my great-grandmother.
這是從我曾祖母傳承下來的家傳食譜。
●
vice versa 反之亦然，反過來說（vice versa 之前通常須接 and 或 or 等連接詞，而不 可單獨使用。）
You can now access your home computer from work and vice versa.
你現在可以從工作地點連線使用家裡的電腦，反之亦然。
●
play a role in 在⋯⋯發揮重要作用，在⋯⋯方面扮演重要角色
The parents played a role in the education of their children.
這對父母在他們孩子的教育方面扮演重要角色。
Tips & Analysis
1. 第一題空格應選 (C)
理由
a. 本空格在測試對段落語意連貫性的掌握，空格前一句提到，大多數人是右撇子的第一個可能原因是與遺傳相關，後一句則提到全球主要是右撇子這件事是代代相傳的，可推測空格應進一步說明遺傳與慣用手之間的關係，且應該跟「傳承」有關。
b. 選項 (C) 表示，研究顯示，偏好用某一隻手勝過另一隻手可能是家族遺傳，語意連貫，且選項中提到家族遺傳，與前一句的遺傳和後一句的代代相傳互相呼應，可知答案應選 (C)。
2. 第二題空格應選 (A)
理由
a. 本空格在測試對段落語意連貫性的掌握，空格前一句提到右撇子居多的另一個答案可能與人類大腦的運作方式有關，而後一句提到左右腦各別控制身體的對側，可推測空格應是說明大腦的運作方式。
b. 選項 (A) 表示，具體來說，大腦不同的區域控制不同功能，語意連貫，說明了大腦的運作方式是不同區域控制不同功能，後一句則進一步說明左右腦控制的身體部分，故答案應選 (A)。
3. 第三題空格應選 (B)
理由
a. 本空格在測試對段落語意發展的掌握，空格前一句提到左腦主要負責規劃和精細動作技能，可推測空格應進一步說明此事實與身體有何關聯。
b. 選項 (B) 表示，因此，這半邊的大腦在身體從事肢體活動時往往會比較活躍，語意連貫，選項中的 this side（這半邊）指的即是前一句提到的左腦，且前一句中的 fine motor skills（精細的動作技能）與選項中的 physical activities（肢體活動）互相呼應，可知答案應選 (B)。
4. 第四題空格應選 (D)
理由
a. 本空格在測試對段落語意結論句的掌握，本段旨在說明文化影響如何造成大多數人皆是右撇子的現象，且空格前一句提到工具多是考慮到右撇子來進行設計，可推測空格應與這種文化如何造就右撇子成為多數有關。
b. 選項 (D) 表示，因此，許多天生就是左撇子的人可能就必須透過學習使用右手來適應，語意連貫，且選項中所提到的適應，即是適應為了右撇子來進行設計的工具，故答案應選 (D)。
More to Learn
phenomenon n. 現象（單數形）
• Lightning is an electrical phenomenon.
閃電是一種電的現象。
以下介紹 phenomenon 的其他意思及衍生字：
a. 本字的複數形為 phenomena 。
• Total solar eclipses are spectacular natural phenomena that dazzle many people.
全日蝕是壯觀的自然景象，使許多人著迷。
b. phenomenon 亦可表「造成轟動的人事物」。
• The new mobile game became a phenomenon overnight, with millions of downloads within hours of its release.
這款新的手機遊戲一夜之間造成轟動，發布後幾個小時內就被下載了數百萬次。
c. phenomenal a. 極好的；驚人的
• Kevin has been a phenomenal success in the world of business.
凱文在商界的成就非凡。
d. phenomenally adv. 極其，驚人地
• This new show is phenomenally successful.
這個新節目非常成功。
中文翻譯(& 答案)
世界上右撇子的人數遠比左撇子還多更多，這是廣為周知的。身為右撇子單純指偏好使用右手來進行只會用到一隻手的任務（像是寫字和吃飯）。但你是否曾思考過全球主要都是右撇子而非左撇子背後的可能原因呢？
就如同許多複雜的生物問題，許多因素似乎都有影響。首先，一個原因似乎是遺傳。研究顯示，偏好用某一隻手勝過另一隻手可能是家族遺傳。因此，全球主要都是右撇子這件事，就是人類代代相傳而來的。
接著，答案可能也和人類大腦是如何運作的有關。具體來說，大腦不同的區域控制不同功能。有趣的是，左右腦控制的是身體另一邊的活動。換句話說，左腦控制身體右半邊，右腦控制身體左半邊。再者，左腦負責規劃和精細動作技能。因此，這半邊的大腦在身體從事肢體活動時往往會比較活躍。
最後，文化影響也在人們偏好哪一隻手上扮演一角。歷史上，需要用到肢體操作的物品都被設計來供右手使用。舉例來說，像是剪刀、樂器等工具常常就是考慮到右撇子而打造的，造成左撇子難以使用這些工具。因此，許多天生就是左撇子的人可能就必須透過學習使用右手來適應。
雖然這些因素都提供了一些解釋，但它們仍是推測而已。全球右撇子如此普及，確切的原因仍持續被爭論著。不過，在未來的許多年裡，左撇子依然會是科學家和研究人員相當好奇的一個現象。
答案： 1. C 2. A 3. B 4. D
作者: amazon11 時間: 2024-10-20 14:43
感謝大大分享實用的資訊~
作者: nori666 時間: 2024-10-25 10:24
感謝大大分享好看書籍，好人一生平安！！！
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