A．To Key Avenue.B．To university.C．To Broadway Avenue.D．To some place unknown.
A. To Key Avenue.
B. To university.
C. To Broadway Avenue.
D. To some place unknown.
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According to the passage, the influence of teenage out-of-wedlock childbearing excludes______.
A. increased likelihoods of being poor or on welfare
B. low levels of completed schooling, earning, and family income
C. reduction of the unwed-mother's interest in finding a marriage partner
D. increment of future marital stability
Which of the following is true？
A. Scientists have a sound knowledge about the diversity of species.
B. Scientists don't know much about the number of stars in the galaxy.
C. Scientists show more interest in stars in the galaxy than in species on Earth.
D. Scientists don't agree on the number of species in the world.
In which of the following groups is the discovery of new species not mentioned in the passage？
A. Birds.
B. Monkeys.
C. Trees.
D. Freshwater fish.
A．anB．theC．aD．/
A. an
B. the
C. a
D. /
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