单项选择题

Viewers simply can watch what is on ______ a presentation via a keyboard, touch screen or mouse.

A．and press on
B．or interact with
C．by pressing
D．or interpret to
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单项选择题
Communication skills seem to count for little in comparison with reputation ______ invitations to speak.
A．when it came to
B．when causing
C．when it comes to
D．while resulting from
单项选择题
Which of the following is NOT the reason why the book has become a bestseller
A．People are getting interested in themselves.
B．There is much information about the current research into the brain.
C．It tells people the different function of the different part of the brain.
D．It teaches people how to become more intelligent.
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