[填空题]Growing GM crops is initially ______ but cheaper in the long run.

[填空题]Growing GM crops is initially ______ but cheaper in the long run.

[填空题]The native animals that eat GM crops might be poisoned by ______.

[填空题]No one knows exactly how GM crops will affect the environment because genetic structure is complex and the related tests now mainly study ______.

[填空题]The final act of a controversy over GM crops that sets America against Europe unfolds today in Geneva. The World Trade Organisation will hear the closing arguments in a case where the public authority of both the European commission and the WTO is at stake.
66. ______
Throughout the European Union there has been extensive concern about GM crops. Among the public’s fears is the potential for long-term harm to the environment—for example through the increased use of herbicides and the gene flow to wild species—and to human health, should new allergens appear. In a wider context of uncertainties about the future of agriculture and of a pervasive lack of confidence in official approaches to the handling of technological risk, consumer rejection of GM has been widespread.
67. ______
The EU’s initial submissions to the WTO dispute panel argued that its approach was necessarily "prudent and precautionary". It emphasised that the US, Canada and Argentina were challenging th

[填空题]Rice is one of the major GM crops containing genes which help to either resist insect or tolerate weed - killing herbicides.

[填空题]GM crops are controversial. On the one hand, some farmers and scientists feel that GM crops can make the world a better place. If bioengineers can create crops that are (36) to insects, for example, then they won’t have to worry about insects destroying plants. In the (37) of insect damage, crops can grow to feed the poor and hungry. Genetic engineering can transform plants with other desirable (38) as well. Plants that don’t require much water, which can live even in times of drought, can help prevent the widespread (39) that would occur if people have nothing to eat. It’s easy to see why many people believe that GM crops will help the world meet the difficult challenges that it will face as more and more people need to be fed.
But not everyone thinks bioengineering is a good idea. Other people are (40) . They mistrust the claims made and don’t believe that biotechnology is without (41) . The possible dangers include