外研版高中英語選修9module2dna-thesecretoflife之二-資料下載頁
2024-11-17 11:46本頁面
【導(dǎo)讀】motheroryourfather?him/her.yourpersonality?thequestions.thingsisa________.isthestudyofgenes.notallofthem.environment.”。intelligent,good–lookingbaby.hisraces.true?dointhenearfuture?unbornbabies,childrenoradults.1.…(b)tofeedthemselves.2.…
【正文】 person doesn’t know. 5. How does the amount of GM food in the US pare with the number of people who think it’s dangerous? 30﹪ of maize, 50﹪ of Soya beans, 50﹪ of potatoes and tomatoes are GM , and 27﹪ of consumers are worried about the dangers of GM. 6. How could GM food be stopped from entering China? By having the customs inspect all imported foods. 7. How did the writer know that there weren39。t any imported GM foods in the markets? They did a big survey. 8. What action is going to be taken about GM foods in China? Foods are going to be labeled. Look at these pairs of sentences from the passage. Decide if the second sentence adds to or contrasts with the information in the first sentences. (a) … GM food is already mon in the United States. (b) China does not produce very much GM food … (b) contrasts with (a) (a) In Canada and the United States, 27 percent of consumers fear that GM food could be dangerous. (b) In Europe, a majority of consumers are in favor of banning them, and 79 percent of the UK public opposes GM food. (b) adds to (a) (a) Chinese customs do not list transgenic products as an item requiring inspection. (b) Therefore GM products may enter the country from abroad. (b) adds to (a) (a) Neither young nor old people feared possible side effects from GM foods. (b) … some parents of children said that they would now pay more attention to food labeling. (b) contrasts with (a) 1. Scientists have found that a crop with agene that kills pests can leave a poison in the soil that kills helpful as well as harmful insects. (a) What can the crop do? leave a poison in the soil. (b) What does the crop contain? (c) What can the poison in the soil do? a gene that kills pests kills helpful as well as harmful insects 2. Yet reducing the amount of insecticides needed by using GM crops can reduce the amount of cancer producing chemicals or carcinogens that are found in food. (a) How can you reduce the amount of insecticides needed? by using GM crops (b) What needs insecticides? the crops (c) What can reduce cancer producing chemicals? using less insecticides 3. If a gene that produces an allergic reaction is transferred into another crop, then a person who usually avoids food containing this gene may not know that it is now present in the modified food. (a) What kind of gene is it? one which causes an allergic reaction (b) What kind of person is it? (c) What might this person not know? a person who usually avoids those foods that the GM food has that gene in it (b) What do they not apply to? imported agricultural products (c) Why is this unfortunate? Because GM food will be imported unchecked.
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