Fill in each blank with one suitable word to finish the following passage. A THE AMAZON RAINFOREST The Amazon rainforest , also known as the Amazon Jungle , is a vast tropical rainforest lying next to the Amazon River ( 1 ) ________ Brazil and the neighbouring countries . It is one of the natural ( 2 ) ________ of the world , and the largest rainforest . If you want to go to a place which has the ( 3 ) ________ kinds of plants and animals on ( 4 ) ________ , you should go the Amazon Jungle . It contains an amazing number of plants and ( 5 ) ________ The region is ( 6 ) ________ to about 2.5 milion insect species , tens of thousands of plants , and some 2,000 birds and mammals . Many useful plants ( 7) ________ in the Amazon rainforest . They ( 8 ) ________ food , building materials , rubber , medicines , and other products