单项选择题

Just as space was ______into regions, time was split up into eras, seasons, and epochs.

A．evolved
B．originated
C．decomposed
D．detached
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单项选择题
Exposure to asbestos fibers can cause cancer______.
A．only when asbestos is used in building industry
B．only when it is used in large quantifies
C．even if it is used in small quantities
D．if they are used when wet rather than dry
单项选择题
When he was 18 he______ going around with a bad crow and staying out very late.
A．took for
B．took to
C．took over
D．took up
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