题目

课文填空 As an English learner, you might have been frequently upset about a large vocabulary and difficult grammar. Whatever you do in future,English will help you to succeed. The more vocabulary and its usages that you learn, the more you will of the language. Being a clown in a hospital is very tiring both. At the moment I'm working with a very sick little girl from Bosnia who speaks no English, so our onlyis laughter.下列经线中，按由西向东排列顺序正确的是（　　）A、20°E、0°、20°W、40°WB、160°E、180°、160°W、140°WC、120°E、100°E、80°E、60°ED、80°W、100°W、120°W、140°W