It's reported that a plane with five people ________ crashed into the mountain several days ago. A.on board B.on the board C.in board D.in the board 答案:A句意为:据报道,一架载有5人的飞机几天前坠入山中。on board相当于aboard。意为“在飞机(船)上”,为固定搭配。 下面求1+4+7+10+…+2008的值的伪代码中,正整数m的最大值为 .