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[report整理] SENEWS-2011-03-01

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[Homework]SENEWS-2011-03-01

homework
this is the voa special english agriculture report.

wild rice is the world's most popular form of rice.but it go through a milin process that removes many nutrients.as result,people who eat a poor diet based on wild rice may not get enough vitamin a.each year estimated made 250thousand to half a million children go blind from vitamin A deficency.the world health organization says half of them die within a year of losing sight. vitamin a deficency is a problem especially in africa and southeast asia.so scientists thought of an answer.they combined wild rice with plant conpans,that the body can change into vitamin a.

the rice contains feather * and other *.this plant coverings give the rice a golden cover.but scientists also through of a plan to give away this golden rice for free for farmers.but the rice is genetically engineered.they said they can not be made using tranditional methods to breed plants.the scientists worded for ten years until 1990 to dig up the technology to add genes to rice.plan took 9 more years to get the genes the wanted into the seed.the first field tests took place in 2004,at louisiana state university in the united states.

golden rice is correctly been tested in the *.it is still not available for general use.cohen venter in * says rice with two add genes would be available in 2019.one gene comes from mace or corn and the other from a soil *. mr pachecl retired  from the swis federal institute of technology.he blames the delays on two mainly rules about genetically modify crops.opponents say such crops make causes environment damage by breeding with conventional plants.opponents also question the safety of biotech foods.mr pachecl says golden rice has never been joined to be unsafe for the environment or people.many agriculture organizations support the project. but there are also critics including researches for the environmental group green peans.several months ago,they questioned whether golden rice could do much for vitamin a deficient c.they said relation genetically modified rice in nature could permanently change traditional rice for varieties and wild ancestors of rice.

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