填空题
What percentage do the poor countries account for in the world?
It's estimated that ______ countries of the world are very poor.
填空题
What may the fish the fisherman catches be made into?
The fish is made into______.
填空题
Where do a lot of the world resources come from?
They come from these ______ countries.
填空题
Usually who decide the prices of natural resources?
It's the ______ countries that decide the prices.
填空题
What price do the richer countries always raise?
The prices they get from ______ are always rising.