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更多“Golden rice is very safe because it has received food safety approval.”相关的问题
What is professor Potrykus ’ s attitude towards the breeding of Golden Rice？
A.Doubtful
B.Negative
C.Neutral
D.Positive
When did the scientists begin to develop the technology to add genes to Golden Rice？
A.In 1980
B.In 1990
C.In 2000
D.In 2004
A.Because they are short of food
B.Because they feed on white rice
C.Because white rice contains no vitamin
D.Because white rice has no nutrients
Questions 20 to 23 are based on the following passage．
White rice is the world ’ s most popular form. of rice. But it goes through a milling process that removes many nutrients（营养成分） . As a result, people who eat a poor diet based on white rice may not get enough vitamin A. Each year about 250, 000 to 500, 000 children go blind from vitamin A deficiency . The World Health Organization（WHO ） says half of them die within a year of losing their sight. Vitamin A deficiency is a problem especially in Africaand Southeast Asia.
So scientists thought of an answer. They combined white rice with plant compounds that the body can change intovitamin A. These plant colorings give the rice a golden color.
The scientists also thought of a plan to give away this Golden Rice for free to poor farmers. But the rice cannot be madeusing traditional methods. The scientists worked for ten years, until 1990, to develop the technology to add genes to rice. Then it took nine more years to get the genes they wanted into the seed.
Professor Ingo Potrykus says rice with two added genes will be available in 2013. One gene comes from maize, or corn,and the other from a soil bacterium （细菌） .Opponents say such crops may cause environmental damage by breeding withother plants. Opponents also question the safety of Golden Rice. However, Mr. Potrykus says Golden Rice has never beenshown to be unsafe for the environment or people. Many agricultural organizations support the project.
20. What is the probable reason why some people do not get enough Vitamin A？
A.Because they are short of food
B.Because white rice contains no vitamin
C.Because they feed on white rice
D.Because white rice has no nutrients
The underlined word “ deficiency ” in paragraph 2 is closest in meaning to__________ .A.addition
B.average
C.increase
D.shortage
When did the scientists begin to develop the technology to add genes to Golden Rice？A.In 1980
B.In 1990
C.In 2000
D.In 2004
What is professor Potrykus ’ s attitude towards the breeding of Golden Rice？A.Doubtful
B.Negative
C.Neutral
D.Positive
请帮忙给出每个问题的正确答案和分析，谢谢！
A.RuleUtilitarianism．
B.Kant’sCategoricalImperative
C.Kant’sreversibilitycriterion．
D.theGreatestHappinessPrincipl
A.global
B.golden
C.google
D.golf
Translate the following paragraph into proper Chinese: First, you must picture to yourself that child, living quite solitary in a remote Chinese countryside, in a small mission bungalow perched upon a hill among the rice fields in the valleys below. In the near distance wound that deep, treacherous, golden river, the Yangtse, and some of the most terrifying and sinister, as well as the most delightful and exciting moments of that child's life, were spent beside the river. She loved to crawl along its banks upon the rocks or upon the muddy flats and watch for the lifting of the huge four-square nets that hung into the moving yellow flood, and see out of that flood come perhaps again and again an empty net, but sometimes great flashing, twisting silver bodies of fish.
The Golden Gate
A．looked very big
B．was an opening to gold for men looking for old years ago
C．was over San Francisco Bay
D．all A, B, and C
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