3、8、9、7、9、8
_____ lacking in money, his parents, making their living by working abroad, managed to send him to
a key middle school.[ ]
A. Because
B. When
C. As
D. Though
某垃圾焚烧厂烟气净化产出飞灰收集后储存于飞灰储仓，下述各项飞灰储仓基本性能要求中，哪一项是错误的（）
A.储仓为了防止飞灰扬尘，仓内应设增湿措施和除尘措施
B.储仓应设保温、加热设施，并具有密闭性
C.储仓设计容量应不少于3天的飞灰额定产出量
D.储仓应设料位指示、除尘、防止灰分板结的设施
