33. By saying these figures are conservative (Line 1, paragraph 3), Dr. Worm means that ________.这道题看上去是道细节题,但是却是道全文题,因为该段是总分结构,问总句的含义如果从分局角度解释通常都不全面,所以要从全文考虑
[A] fishing technology has improved rapidly这道题定位容易,且此段是总分形式,后面的内容是对these figures are conservative的解释,a选项是部分原因
[B] then catch-sizes are actually smaller then recorded考察对so the real difference between present and past is likely to be worse than the one recorded by changes in catch sizes的理解.这句话我没理解,但大概只道,这只是局部信息
[C] the marine biomass has suffered a greater loss附和文章主旨.
[D] the data collected so far are out of date不是过时了,是还有另外因素没考虑,下文给出reason,One reason for this |