there were more male subscribers in the over 64 category than female subscribers.

64岁以上的男士占比15%，而女士占比18%，故此题错误查看更多

there were more female subscribers in the under 18 category than male subscribers.

18岁以下的男士比女士多，题目错误查看更多

there were more male subscribers in the under 35 category than female subscribers.

35岁以下的男士比女士多6%查看更多

the majority of male subscribers are less than 35 years old.

35岁以下的男士占比分别为10%、21%、18%，一共49%，没有达到一半，错误查看更多

the majority of female subscribers are less than 35 years old.

35岁以下的女士占比分别为16%、18%、9%，一共43%，没有达到一半，错误查看更多

what percentage of the male subscribers was under 45 years of age？

13%+18%+21%+10%=62%查看更多

if the trend for factory 2 from year 4 to year 5 continues, what would be the quality index in year7?

factory2第4年到第5年增长了5个指数，故第七年增长10个指数，到60查看更多

if the trend for factory 1 from year 4 to year 5 continues, what would be the quality index in year7?

factory1第4年到第5年增长了10个指数，故第七年增长20个指数，到85查看更多

how much more primary energy was derived from petroleum than electricity last year?

用去年石油的总量减去电力的总量，得出答案查看更多

in percentage terms, the annual average price of oil decreased more than that of gold between year 4 and 5.

由表中可以看出，石油是一条陡峭的斜线，而金价下降缓慢，所以石油下降得快，此题错误查看更多