题目

____ with the size of the whole earth, the highest mountain doesn't see m high at all. A . To compare B . While comparing C . It comparing D . When compared 答案：D已知全集U={1，2，3，4，5，6，7，8}，A={1，4，6}，B={4，5，7}，则（CUA）∩（CUB）等于（ ）A．{2，3，4，8}B．{2，3，8}C．{2，4，8}D．{3，4，8}