tter how frequently __________, the works of Beethoven still attract people all over the world.

在下面一段文字的横线处填入词语，最恰当的一项是中国哲学家的语言如此不 ，而其中所含的暗示则几乎是 的。富于暗示而不是 ，这是中国诗歌、绘画等各种艺术所追求的目标，它也同样成为中国哲学家表达思想时的风格。

__ gas leaks and similar accidentsshould occur, some responsible persons should regularly inspect all thelaboratories

ys were happily making a snowman, _________ withcold.

d that what Mary had bought from the supermarketthat morning ________ only a few potatoes, eggs and salt,but I don’t think what he said ________ true.