题目

More and more people like bicycling and it is no surprise. It is fun, healthy and good for the environment. Maybe that’s why there are 1.4 billion bicycles and only 400 million cars on roads worldwide today. Bikes can take you almost anywhere, and there is no oil cost! Get on a bicycle and ride around your neighbourhood. You may discover something new all around you. Stopping and getting off a bike is easier than stopping and getting out of your car. You can bike to work and benefit (受益) from the enjoyable exercise without polluting the environment. You don’t even have to ride all the 下列关于物质的性质与用途的说法中不正确的是(　　)A．氧化铝的熔点很高，因此可用作耐火材料B．某些金属化合物灼烧时有特殊的颜色，因此可用于制造烟花C．氢氟酸能与二氧化硅反应，因此可用于刻蚀玻璃D．氯气具有强氧化性，因此可用于漂白有色布料