单项选择题

Why did Shaefer put the paper under glass

A．To prevent Rosa from feeling the print.
B．To stop the reflection of heat.
C．To make things as difficult as possible.
D．To stop her from cheating.
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单项选择题
Which of the following statements is true
A．The men in Samoa were not quite blind.
B．A girl called Virginia could read newsprint even when she was blindfolded.
C．Rosa' s ability to see was confined to her fingers.
D．The result of the last test on Rosa was least doubtable.
单项选择题
From the first paragraph we can learn that ______.
A．very few people have the sensitivity of the blind'
B．blind people can manage to see things, but not clearly
C．not everybody sees with his eyes
D．it is possible to narrow the photosensitive areas of the body
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