单项选择题

How could Dennis distinguish between a book and a pillow of the same size and at an equal distance in front of him A book would produce ______.

A．a higher-pitched sound
B．a louder sound
C．a sharper sound
D．a fuzzier sound
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单项选择题
The writer says that a blind baby is doubtly handicapped in comparison to a sighted child because ______.
A．his world is completely dark
B．he can never make eye contact with other people
C．he has no visual stimulation from his surroundings
D．he can not perceive the world with his eyes
单项选择题
The reason why the author says in the essay that the title of the movie This Land Is Mine is ironical was that the land is ______.
A．not really that of the native born black Americans
B．that of the Frenchmen; the land refers to France
C．mine; yet it was occupied by Germans
D．mine; the land is that of the Americans
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