题目

Grand Canyon National Park, USThe Grand Canyon is one of the Seven Natural Wonders of the World. It is best known for its size and depth. It is 446 kilometers long, up to 29 kilometers wide, and 1.6 kilometers deep. Every year, about 5 million people visit the park.Lijiang River National Park, ChinaLijiang River is in Guilin. The limestone caves and green hills along the river are amazing. The hills are different in shape. One looks like an elephant drinking water with its trunk. People call the hill “Elephant Trunk Hill”. The best way to enjoy Lijiang River is to take an 83-km-long boat t下图为三圈环流示意图(局部)。读图完成下列问题。1.关于①②③④的说法，正确的是( )A．④为东北季风 B．③形成寒冷干燥气候C．①是由热力作用形成的 D．②由低压流向高压2.当③在近地面形成的气压带被大陆上的气压中心切断时，下列说法正确的是( )A．塔里木河断流 B．潘帕斯草原绿草茵茵C．华北平原正值小麦生长季节 D．北印度洋季风洋流呈顺时针流动