单项选择题

The scientist's success is due to his hard work and his ability to ______ of plans which will get work done efficiently.

A．ponder
B．contrive
C．conceive
D．contemplate
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单项选择题
The survey has produced the first national estimate of below ______ . standard houses de rived from consistently applied methods.
A．credible
B．controllable
C．tolerable
D．perceivable
单项选择题
The beauty of the region has ______ the imagination of the countless artists.
A．pitched
B．nourished
C．preached
D．perished
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