阅读理解。 Most people around the world are right-handed. This also seems t

题文

阅读理解。      Most people around the world are right-handed. This also seems to be true in history. In 1997, scientists
studied works (作品) of art made at different times from 15,000 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 (大脑).
The right side of the brain, which makes a person's hands and eyes work together, controls the left hand. The
leftside 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 (损害) 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 lefthandedness, 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. 1. 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 words 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 2. 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. 3. 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. 4. According to (根据) 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. 5. The best title (题目) foe this passage is ________.

[     ]

A. Scientists' New Inventions
B. Left-handed People
C. Which Hand
D. Different Brain, Different Hands

题型：未知 难度：其他题型

答案

1-5: CAABC

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解析

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考点

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答题技巧：
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   关键词做上记号，尤其是各段中心句，为答题提供更快捷更多的信息源。
2. 审清题干，发觉和把握试题中有效的提示性信息，确认命题的角度、阅读范围和答题方式。
3. 定位阅读，强化对应意识。同时要注意原文利用和自我加工相结合。

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