In the United States, the crops most often genetically modified --- as well as the ________ made from them --- are corn, soybean, canola, sugar beets and cotton.
                    举一反三
- 中国大学MOOC: For the topic of Genetically Modified Crops: food or poison, what is the problem with the specific purpose statement “genetically modified crops”?
 - Which of the following call be inferred from the passage about cotton production in the United States after the introduction of Whitney's cotton gin() A: More cotton came from sea island cotton plants than befor B: More cotton came from short-staple cotton plants than befor C: Most cotton produced was sold domesticall D: Most cotton produced was exported to Englan
 - The following C4 crops are ( ). A: Wheat B: Rice C: Soybean D: Corn
 - Genetically modified crops cannot be a possible solution to food crisis.
 - One of the purposes of having crops genetically modified is to make it more delicious.
 
