单项选择题
Which of the following makes the demonstration most persuasive
- A．To read through glass, blindfolded.
B．To identify the color and shape of light on a screen while securely blindfolded.
C．To carry out the test with someone pressing on her eyeballs.
D．To work from behind a screen, blindfolded and with a card round her neck.
点击查看答案&解析
相关考题
-
单项选择题
The first white men to visit Samoa found people who ______.
A．were not entirely blind
B．described things by touching them
C．could see with their hands
D．could see when they hold out their hands -
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 -
单项选择题
Why did the scientist 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.
