47. The ice in Antarctica is melting because _________________. 
(A) more people are traveling to Antarctica 
(B) sea levels are rising very fast 
(C) there are many high mountains on continent 
(D) the temperature of the atmosphere is warmer

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統計： A(55), B(252), C(178), D(1846), E(0) #313011

詳解 (共 3 筆)

#2569607
（Ｄ）因為大氣層越來越暖化
(共 15 字，隱藏中）
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#1425557
Scientists agree that the cause for this melting is very simple. The earth’s atmosphere is warming up.
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#1446872
在南極洲的冰雪融化，因為_________________。 （A）越來越多的人前往南極洲 （B）海平面上升速度非常快 （C）上有很多大陸的高山 （D）的氣氛的溫度為暖
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