单项选择题
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A.To improve the study skills of university students.
B.To suggest changes in the student government.
C.To give people the opportunity to speak with a politician.
D.To discuss graduation requirements for political science majors.
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单项选择题
Several tourism companies believe space travel is going to be a new profitable industry.
A.Y
B.N
C.NG
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单项选择题
A.How animals survive harsh conditions in the wild.B.How animals alter colors to match their surroundings.C.How animals protect themselves against predators.D.How animals learn to disguise themselves effictively.
A.How animals survive harsh conditions in the wild.
B.How animals alter colors to match their surroundings.
C.How animals protect themselves against predators.
D.How animals learn to disguise themselves effictively.
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