题目

选词完成短文 spent final this even still cough mask crowded fight teamAs the saying goes, “A hero is known in the time of misfortune(不幸)”. Zhong Nanshan is a hero like 【1】. He is a doctor in Guangdong, who saved many people’s lives in 2003.In 2003, SARS broke out in Guangdong. Later, it spread across China and other parts of the world. Patients 【2】 a lot and got fevers. Hundreds of patients 【3】 died from the disease. Even many doctors and nurses got SARS when they treated patients. So everyone was afraid of it. But Zhong was brave enough 【4】 the disease. Zhong 某有机样品3.1g完全燃烧，燃烧后的混合气体通入过量的澄清石灰水，石灰水共增重7.1g，经过滤得到l0g沉淀．该有机样品可能是（ ）A．乙烯B．乙醛C．乙酸D．乙二醇