生物性废弃物的处理方法不包括（）。
A．高压灭菌
B．化学消毒
C．焚烧处理
D．紫外线照射
参考答案：D
He had no sooner finished his speech ________ the students started cheering.[ ]
A. since
B. as
C. when
D. than
驾驶机动车上路行驶应当按规定悬挂号牌。
