单项选择题

According to officials, what percentage of the flights at O’ Hare were delayed during the first seven months of this year

A. 65%.
B. 56%.
C. 75%.
D. 57%.
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单项选择题
Which of the following is NOT the main topic mentioned in Judy Blume’s book
A. Worries about not having friends. B. Worries about physical development.
C. Worries about growing up.
D. Worries about the food they eat.
单项选择题
The passage mainly focuses on ______.
A. the importance of TV

B. the function of TV
C. the production of TV
D. the evolution of TV
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