单项选择题

Ask Dr. Math could be described as the following EXCEPT ______.

A．a question and answer service
B．a technology training program
C．with a database of questions and answers
D．supported by volunteer math teachers
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单项选择题
According to the passage, which of the following statements is NOT CORRECT
A．American schools have already seen marked improvements in math and science test scores.
B．American schools have yet to adapt their curricula to make the most of computers and the Internet.
C．Teachers need to be formally and adequately trained to cope with the new technology.
D．There is still skepticism about the new technology.
单项选择题
Collectors from Hong Kong, Taiwan and Singapore would most likely buy ______.
A．impressionistic paintings
B．Ming Dynasty imperial tea sets
C．excavated works of art
D．Blue Period Picassos
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