6.Three million tons of coal ____A__ every year in the city.A.is exploited B.are exploited为什么选B,rubbish不是不可数n吗?相反,Three million tons of coal ____A__ every year in the city.A.is exploited B.are exploited答案为什么是A,不

6.Three million tons of coal ____A__ every year in the city.A.is exploited B.are exploited为什么选B,rubbish不是不可数n吗?相反,Three million tons of coal ____A__ every year in the city.A.is exploited B.are exploited答案为什么是A,不
6.Three million tons of coal ____A__ every year in the city.A.is exploited B.are exploited
为什么选B,rubbish不是不可数n吗?
相反,Three million tons of coal ____A__ every year in the city.
A.is exploited B.are exploited
答案为什么是A,不要复制粘贴百度上的,
相反的是这个-----Thousands of tons of rubbish ____B____ over a large period of time.
A.rots away B.rot away

6.Three million tons of coal ____A__ every year in the city.A.is exploited B.are exploited为什么选B,rubbish不是不可数n吗?相反,Three million tons of coal ____A__ every year in the city.A.is exploited B.are exploited答案为什么是A,不
依我认为两条题的答案应该是一致的
1） 说的是三百万吨的煤应该用复数are exploited被利用
2） 成千上万吨的垃圾rot away腐烂掉
教科书上的并不一定完全是对的,或者讲我现在提供给你的解释也不一定对,但要分析其是否合符逻辑.

因为coal 是单数形式。不可数名字按第三人称单数对待哦。

关于你的第二个问题，有的解释是主语是tons ,但是我觉得。。。哈哈，你把我问住了，给的答案都是B, 该找个明白人问。