单项选择题

It can be inferred from the text that______.

A．discoveries of new planets set scientists thinking
B．extrasolar planets exist in the universe
C．solar system should be re-examined by mankind
D．new discovery depends on new theory

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单项选择题

Among the following conclusion drawn from the passage, which of them is NOT true

A．The narrator, "T" is with mixed blood.
B．"My" great-grandfather was worshiped as a self-made man.
C．"My" family suffered a lot in the time of Ku Klux Klan.
D．John Wesley attributed his success to his great mother.

单项选择题

According to the passage, the ancestor of the I , Somerville ______.

A．had a pure blood son
B．was educated
C．was an ambitious woman
D．had never been emancipated