单项选择题

Patches are ______.

A．rays
B．waves
C．spots
D．lines
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单项选择题
The first white man to visit Somoa found men who ______.
A．were not entirely blind
B．described things by touching them
C．could see with their hands
D．could see when they held hands
单项选择题
According to the passage, which of the following statements can not be considered as the reason of the smelly house of the poor
A．The outdoor privy is smelly.
B．The refrigerator has gone out of order.
C．The housewife cannot afford the time to clean the mattress.
D．It is costy to bury rotting garbag
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