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NO.123
中等
00:00
本题平均耗时:2分38秒
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正确率:61%
Select one entry for the blank. Fill the blank in the way that best completes the text.

Some species camouflage patterns may be _____, granting those species a higher chance of survival in a heterogeneous environment. 

plastic

subtle

singular

consistent

imitable

Select one answer choice.

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