+ For questions 1 - 8, read the text below and think of the word which best fits each space. Use only one word in.
Rhino farming
The South African White Rhino could become extinct in the wild in the next two decades. They were (1) ________________ extinct once before, at the end of the nineteenth century, but were brought back from the brink of extinction by successful conservation efforts. The rhino is hunted for its horn, and poaching is by far the (2)________________ threat to its existence. In many Asian countries, powdered rhino horn is believed to treat anything from fevers to cancer, although there is (3) ________________ scientific evidence whatsoever to support these claims. Now there are calls to manage rhinos under farmed conditions and legalize the trade in one of the (4) ________________ valuable animal products on earth. There are plenty of supporters who are only (5) ________________ eager to adopt this method of sustainable use, which involves sedating rhinos and then removing their horns, a practice not nearly (6) ________________ inhumane as killing such truly magnificent creatures for their horns. The (7) ________________, like a nail, grows back so that it would be theoretically (8) ________________ to 'harvest.' rhino horn several times from a single animal. But is it ethically correct to use this creature to support a market in quack medicine?