单项选择题


A.many
B.good
C.few
D.no
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单项选择题
According to the passage, what is the difference between a homing pigeon and an ordinary one
A.The span of the wings.
B.The color of the feathers.
C.The size of the head.
D.The size of the brain.
单项选择题
In Paragraph 2, what does the author imply by stating that the owners anxiously watch the sky
A.They want their pigeons to win the race.
B.They do not trust the judges to give a fair ruling.
C.They do not know the missions their pigeons have to carry out in the race.
D.They are sending radar signals to their pigeons.
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