Nearly A three quarters of the surface of the earth B are covered with water, and C there would be even less land D if the polar

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问题 Nearly A three quarters of the surface of the earth B are covered with water, and C there would be even less land D if the polar icecaps were melt.

选项 A、 
B、 
C、 
D、 

答案B

解析 应改为is。因为主语是“surface”,是不可数名词,所以谓语动词用单数。本句的意思是:“地球几乎四分之三的表面是水,如果两极的冰山融化了的话,陆地就更少了。”
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