单项选择题

Pigeons have been used as messengers because ______.

A.they have a built-in compass
B.they can cover 500 miles in a single day
C.they have special ability to tell directions
D.they can find their way home
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单项选择题
In the sixth paragraph but one simply could not begin to accept means ______.
A.就是不能透露
B.开始时不敢接受
C.开始时不能承认
D.一下子简直不能相信
单项选择题
Which statement is true according to this passage
A.Two men came to the CYDF twice and donated 5,000 yuan to this organization for its development.
B.Deng Xiaoping donated 5,000 yuan in 1992 to Baise, Guangxi to aid children unable to go to the school.
C.The second time when the two came the CYDF they said donated the money on behalf of a veteran Communist Party member--Deng Xiaoping.
D.With the money Deng donated, twenty-five pupils in Baise were able to go to school.
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