题目

下列关于体温计的说法，错误的是（） A . 体温计是根据液体的热胀冷缩的规律制成的 B . 体温计比较精确是因为它玻璃泡较大，玻璃管较细 C . 体温计能够离开人体测量部分进行读数 D . 将体温计放到沸水中进行消毒 答案：D5．听第二段对话，回答第3-5题．3．Who are the two speakers？A．A teacher and a student．   B．Two dentists．   C．Two classmates．4．What was wrong with Mike？A．He had a toothache．   B．He was sick．   C．He overslept．5．What is the main topic of the conversation？A．California dental schools．B．A little-known fact about George Washington．C．Uses of animals'teeth in research．