What is implied but not stated by the author is that _____.
选项：
A:smoking rates among youth have declined very little
B:there are now more female than male smokers among high school seniors
C:high smoking rates are due to the increase in wealth
D:smoking at high school is from low socio-economic backgrounds
发布时间：2024-04-08 14:41:17
选项： A、The rate of smoking in women decreased until 1977 but then increased for the rest of the period. B、The rate of smoking in women in 1960 was very low at only 80 in every 1,000. C、In 1960, 600 men in every 1,000 were smokers. D、We can see that the rate of smoking in men dropped throughout the whole period but was always at a higher level than the female figures.
