单项选择题
A．It is sure to fluctuate. B．It is bound to revive. C．It will remain basically stable. D．It will see no more monopoly.
A．Anti-animal-abuse demonstrations. B．Surveying the Atlantic Ocean floor. C．Anti-nuclear campaigns. D．Removing industrial waste.
A．Effects of obesity on people’s health. B．The link between lifestyle and obesity. C．New explanations for the obesity epidemic. D．Possible ways to combat the obesity epidemic.