"The clandestine product" (Line 2, Last Para.) most probably means
A. the artifacts which are illegally excavated.
B. the artifacts which are stored in the museum.
C. the priceless artifacts.
D. the valueless artifacts.
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The most famous political debates in American history most probably focused on discussing
A. economic development.
B. slavery,
C. honesty.
D. bi-party system.
The density-dependent theorists have not yet been able to
A. explain the population growth of organisms with short life cycles.
B. re-produce the results of the study of Christian and Davis.
C. show how many mechanisms that manage regulation there are.
D. make sufficiently accurate predictions about the effects of crowding.
The speaker disapproves of wearing red sweaters if
A. the crowd is wearing them.
B. you can't afford them.
C. you don't look good in red.
D. it is against school regulations,
What can we infer from the passage？
Automobiles will be produced mainly in the developing countries. B, People are bound to live in a world village in the future.
B. Children will grow up with the same characteristics.
C. The automobile makers all over the world will produce the same model.
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