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 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

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 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 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 for this passage is _______.

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

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