单项选择题
All units of measurement are（）, because space, time, weight, and other dimensions are not naturally divided into units.
A.objective
B.traditional
C.artificial
D.controversial
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Some creatures, for example, lizards (蜥蜴), can（）lost parts of their bodies, but we human beings can not.
A.produce
B.reproduce
C.recover
D.cultivate -
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I didn't expect that he would take（）of my failure to achieve his own goal.
A.chance
B.effect
C.occasion
D.advantage -
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The pioneers（）their journey after a short rest.
A.assumed
B.presumed
C.resumed
D.consumed
