当黑龙江是冰天雪地时,海南岛已是春耕大忙了,这是由于( )
A:纬度跨度大
B:经度跨度大
C:海陆跨度大
D:垂直跨度大
-You look so worried, what’s wrong?
-More and more people like me begin to worry about the ______ pollution after the haze (雾霾) appeared in Beijing and some other cities in China.
shì
____卷 注____ 地____ 装____
lì
鼓____ ____害 ____来 ____外
读下图“太平洋洋流分布图”。完成下列各题。