单项选择题

The prehistoric art of inscribing figures and designs on rock surfaces seems to have slowly disappeared with the advent of agriculture, which required a large amount of time and energy.

A．coming
B．arrest
C．financing
D．stability
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单项选择题
The building is so well constructed that it will survive even the strongest earthquake.
A．guaranteed
B．built
C．located
D．insured
单项选择题
Lou Gehrig established a record for the number of consecutive games played by a professional baseball player.
A．successive
B．successful
C．superlative
D．demonstrative
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