1In his eagerness to draw quick profit from the tress, he has cut them down in large numbers, only ___ that withot them he has lost the best friend he had.A finding B to find C found D find2.They are usually too lazy to plant and look after the new tress. So _____ the government has a good system of control, or can educate the people, the forests widely disapper.A until B till C unless D if该怎么理解这两句话, 选什么? 理由是?

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1.B only to do 表示的是结果, 结果发现没有他们,他失去了他最好的朋友。2.C unless 表示除非....,否则。 除非政府有良好的控制体系,或者教育人们,否则,森林会完全消失。

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1.B2.C

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啊,原来是这样,我明白了

热心网友

1.B only to do 表示的是结果, 结果发现没有他们,他失去了他最好的朋友。2.C unless 表示除非....,否则。 除非政府有良好的控制体系,或者教育人们,否则,森林会完全消失。