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今天我們要閱讀一篇關於慣用左手和慣用右手的文章。相信每個人的周圍都會有一個慣用左手的朋友，這是為什麼呢？一起來讀一下吧！
01經典閱讀
Most people around the world are right-handed. This also seems to be true in history. In 1799, scientists studied works(作品) of art made at different times from 1, 500 B. C. to the 1950s.
Most of the people shown in these works are right-handed, so the scientists guessed that right-handedness has always been common through history. Today, only about 10% to 15% of the world's population is left-handed.
Why are there more right-handed people than left-handed ones? Scientists now know that a person's two hands each have their own jobs. For most people, the left hand is used to find things or hold things. The right hand is used to work with things. This is because of the different work of the two sides of the brain (大腦).
The right side of the brain, which makes a person's hands and eyes work together, controls(控制) the left hand. The left-side of the brain, which controls the right hand, is the centre for thinking and doing problems.
These findings show that more artists should be left-handed, and studies have found that left-handedness is twice as common among artists than among people in other jobs.
No one really knows what makes a person become right-handed instead of left-handed. Scientists have found that almost 40% of the people become left-handed because their main brain is damaged(損害) when they are born. However, this doesn't happen to everyone, so scientists guess there must be another reason (原因) why people become left-handed.
One idea is that people usually get right-handed from their parents. If a person does not receive the gene (基因) for right-handedness, he/she may become either right-or left-handed according to the chance (偶然性) and the people they work or live with.
Though right-handedness is more common than left-handedness, people no longer think left-handed people are strange or unusual. A long time ago, left-handed children were made to use their right hands like other children, but today they don't have to.
66. After studying works of art made at different times in history, the scientists found.
A. the art began from 1, 500 B. C.
B. the works of art ended in the 1950s
C. most people shown in the works of art are right-handed
D. most people shown in the works of art are left-handed
67. How many people in the world are left-handed now?
A. Less than one sixth.
B. More than a half.
C. About 40%.
D. The passage doesn't tell us.
68. What is the left hand for most people used to do?
A. It's used to find or hold things.
B. It's used to work with things.
C. It's used to make a person's eyes work together.
D. It's the centre for thinking and doing problems.
69. According to (根據) the passage, which of the following is NOT true?
A. No one really knows what makes a person become right-handed.
B. Left-handedness is cleverer than right-handedness.
C. Today children are not made to use their right hands only.
D. Scientists think there must be some reason why people become left-handed.
70. The best title(標題) for this passage is.
A. Scientists' New Inventions
B. Left-handed People
C. Which Hand
D. Different Brains, Different Hands.
02精彩翻譯
世界上大部分人是慣用右手的。在歷史上也似乎如此。在1799年，科學家研究從公元前1500年到1950年間不同時期的藝術作品。在這些作品裡顯示了大多數人是慣用右手，因此科學家猜測在歷史長河中慣用右手者是普遍的。今天，世界人口中只有10%到15%的人口是慣用左手的。
為什麼慣用右手的人比慣用左手的人要多呢？科學家現在知道一個人的兩隻手都有它們自己的工作。對於大多數人來說，左手被用來找東西和抓住東西。右手被用來拿著東西工作。這是因為大腦的兩邊的工作不同。大腦的右邊，讓一個人的手和眼睛協調工作，控制左手。大腦的左邊，控制右手，是思考和解決問題的中心。這個發現說明更多的藝術家應該是慣用左手，並且研究已經發現慣用左手的人在藝術家裡面是做其他工作的人的兩倍。
沒有人真正知道什麼讓一個人成為慣用右手而不是慣用左手。科學家已經發現當一個人出生時因為他的主要大腦受損傷幾乎40%的人變成了慣用左手。然而，這並不是發生在任何人身上，因此科學家猜測一定有某種原因讓人們變成左手。一種觀點是人們通常變成慣用右手是從他們父母那兒得來的。如果一個人沒有接受到右手的基因，他/她可能會根據偶然性和他所共事或居住在一起的人要麼變成慣用右手，要麼變成慣用左手。
儘管慣用右手者比慣用左手者普遍，但是人們不再認為慣用左手著是奇怪的會不同的。很長時間以前，慣用左手的孩子被要求像其他孩子一樣使用右手，但是今天他們沒有必要了。
03公布答案
66. C 67. A 68. A 69. B 70. C