He had to pause from time to time to wipe the sweat from his forehead, because the air—conditioning system ______________.

There has been thick haze(雾霾)in Zhijiang recently.—We must drive our cars less because cars people drive, _____ pollution there will be.

The Group of Eight (G8)________the eight richest countries in the world.

If you don’t understand the new words, you can _____in the dictionary.

下列各句中，加点词语的意思与现代汉语相同的一项是