赞题库-背景图

单项选择题

—Did you meet Jane yet—Yes, it was ______ I surfed the Internet last week.

A．that
B．when
C．why
D．whom

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热门试题

单项选择题The Molecular Genealogy Research Group is building a database for the purpose of ______ .

A．offering assistance in working out genealogy-related problems
B．solving many issues without relying on traditional written records
C．providing a pedigree chart of at least four generations in the world
D．confirming the assumption that all individuals are of the same origin

单项选择题Which of the following CANNOT be inferred from the passage

A．We are a walking, living, breathing record of our ancestors.
B．Many American slaves did not know who their ancestors were.
C．An adopted child generally lacks enough information to prove his identity.
D．Molecular genealogy can be used to prove a relationship between individuals.