单项选择题
A．Weather forecast is getting more accurate today. B．People can predict the weather by their senses. C．Who are the real experts in weather forecast. D．Weather changes affect people’s life remarkably.
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.