单项选择题

Chemists, physicists and mathematicians are ______ known as scientists.

A．alternatively
B．cognitively
C．exclusively
D．collectively
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单项选择题
Ask for a doctor as quickly as possible and tell him it's a ______ of life and death.
A．thing
B．matter
C．question
D．problem
单项选择题
China's reform and opening-up program enjoys the support of the people and is ______ to succeed.
A．bound
B．prone
C．apt
D．inclined
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