单项选择题

This suit is specially designed for astronauts; it is a habitat(栖息地)for an extremely hostile environment.（）

A．distant
B．familiar
C．unforgettable
D．unfriendly

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单项选择题
The quality of college education should be measured not only by the graduate's competence but also by his commitment(信奉).（）

A．evaluated
B．observed
C．explored
D．standardized
单项选择题
It's not just the sheer accumulation of technology that makes their development so fast; but the cooperation among the members.（）

A．sharp
B．pure
C．considerable
D．perfect
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