单项选择题

Passage One Questions 26 to 28 are based on the passage you have just heard.

A．To work in mining operations.
B．To cross the North American continent.
C．To carry scientific supplies.
D．To help cultivate the frontier.
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单项选择题
A．Michael has been diving for nine years.B．Michael dives on holidays with his parents.C．Michael loves diving ever since he first tried it.D．Michael has never taken any diving courses.
A．Michael has been diving for nine years.
B．Michael dives on holidays with his parents.
C．Michael loves diving ever since he first tried it.
D．Michael has never taken any diving courses.
单项选择题
A．George always hesitates at everything.B．George’s wife is much too concerned about things at home.C．George can’t really decide anything at home.D．George and his wife hardly go anywhere for holiday year after year because they can’t decided where to go.
A．George always hesitates at everything.
B．George’s wife is much too concerned about things at home.
C．George can’t really decide anything at home.
D．George and his wife hardly go anywhere for holiday year after year because they can’t decided where to go.
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