题目

Form July to October every year, about a quarter of the world’s blue whales feed in the Pacific Ocean off the coast of California. But the whales now face a major threat in their favorite feeding area. Lots of ships carrying cargo sail in the same area at the same time. All too often, a ship will hit a whale. According to a new study, this problem has become a serious threat to the whole population of the world’s blue whales. There are only about 10,000 of the creatures in the world. Blue whales are the largest known animals ever to live on Earth. But if hit by a container(集装箱化学方程式不能提供的信息是（　　）A．通过什么条件反应B．哪些物质参加反应C．各物质之间的质量比D．化学反应速率的快慢