2.【2024年全国甲卷语法填空】Yellowstone was the _________ (large) United States national park-2.2 million acres-until Wrangell-Saint Elias in southern Alaska, which became a national monument in 1978, took the ...
China planted 4.45 million hectares of trees and improved 3.22 million hectares of grassland, official data showed Sunday. The country also harnessed 2.45 million hectares of desertified land last ...