在下面一段话空缺处依次填入词语，最恰当的一组是（ ）语言和人及其文化的关系，是一个极其复杂的问题，透过这个问题，我们可以 一个时代的文化现象及其意识形态。在当代社会，最 的语言形式也许非广告语莫属；当广告语言 地向我们袭来时，所引发的思考是非常复杂的。

_______in your city now—–Very hot at noon but very cool at night.

It’s everyone’s duty to join the Clean Your Plate Campaign.—Sure. We should try to _______all the food that we’ve ordered.

He has made another wonderful discovery, _____ I think is of great importance to science.

Neither you nor he _____________ worried.