题目

On Feb 26, when an Italian lawmaker went into the country's Lower Chamber with a mask to prevent the novel coronavirus（新冠病毒）, he was questioned and criticized by others as they thought that wearing masks would cause unnecessary fear and panic. The articles from Western media carry headlines such as “No, you do not need face masks to prevent novel coronavirus.” You might be surprised, as in China and other Asian countries, people have willingly put masks on during the outbreak.In the West, people are taught to wear masks only when they get sick. They thought masks are seen as a 下列关于化学反应与能量的说法不正确的是（　　）A．物质发生化学变化都伴随着能量变化B．能量变化是化学反应的基本特征之一C．化学变化中的能量变化主要是由化学键变化引起的D．在一个确定的化学反应关系中，反应物的总能量总是高于生成物的总能量