单项选择题

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A.An investigation into how Americans spend their vacations.
B.An opinion poll of how people should spend their leisure time.
C.A poll of how employed Americans spend their leisure time.
D.A report on the vacation plans of college graduates in America.
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单项选择题
A.They bumped into each other over a swimming pool.B.They avoided each other by turning in different directions.C.They narrowly escaped crashing into each other.D.One plane climbed above the other at the critical moment.
A.They bumped into each other over a swimming pool.
B.They avoided each other by turning in different directions.
C.They narrowly escaped crashing into each other.
D.One plane climbed above the other at the critical moment.
单项选择题
A.Students from the Far East.B.Students from Singapore.C.Students have rich parents.D.Students have well-educated parents.
A.Students from the Far East.
B.Students from Singapore.
C.Students have rich parents.
D.Students have well-educated parents.
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