答案：D
統計：A:4,B:8,C:5,D:53,E:0
難度：簡單
【anlulu】評論
Researchers warn that the face of Antarctica will change in the next 100 years as ice melts and glaciers(n.)冰河 __(18)__ .研究人員警告說，在接下來的100年裡，隨著冰雪融化和冰川__(18)__，南極洲的面貌將會改變。appear(v.)出現;呈現;顯現 refrain(v.)避免；忍住；節制refrain from ...revolt