单项选择题

What is the most appropriate title for the passage

A．Dangers of Earthquakes.
B．Earthquake Belts and Prediction.
C．Earthquake Prediction and Control.
D．Earthquake Engineering in California.
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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
Which of the following makes the demonstration most persuasive
A．To read through glass, blindfolded.
B．To identify the eol0ar 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.
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