Reading Comprehension
试题详情
题目：
In the highlighted text, "uncertainties" refers to
选项:
A、 dendrochronologists' failure to consider the prevalence of erratic weather patterns
B、 inconsistencies introduced because of changes in methodology
C、 some tree species' tendency to deviate from the norm
D、 the lack of detectable variation in trees with complacent rings
E、 the lack of perfect correlation between the number of a tree's rings and its age
答案:
E
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