C.Limiting native plants and animals.D.Stopping discussing the food problem.答案(1)目的意图题。根据第一段One million species (物种) face the risk of dying out,more than ever before in human history,according to a UN report released in May.And humans should be responsible.(...
The findings are clear and alarming.The researchers have found that about 25 percent of the world's plants and animals are at risk of extinction.These include sea and land animals.Even the domesticated(驯养的)animals are at risk:Over 9 percent of the domesticated ani- mal s...