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【简答题】

People use metal for machines. ( )

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【简答题】An English play will be put on in the auditorium. ( )
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【简答题】How did farmers improve their crops for thousands of years? For thousands of years, farmers ( ) .
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【简答题】What did Gerber and Heinz companies do under the pressure of public worry? Public worry forced ( ) .
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【简答题】According to the researchers, why is the rice that they are working on helpful? The rice has a lot of ( ) .
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【简答题】Why did companies like Frito Lay announce that its food would be free of GM ingredients? They did so because those companies saw that ( ) .
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【简答题】Who is Ronnie Cummins? Ronnie Cummins is ( ) .
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【判断题】Crossbreeding always works and it takes only a few years to get good results.
A.
正确
B.
错误
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【判断题】Many people think that GM foods may do harm to the environment and humans.
A.
正确
B.
错误
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【判断题】The Gerber and Heinz companies once used GM ingredients in their baby foods.
A.
正确
B.
错误
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【判断题】Allison Snow, who has concerns about the new technology, hopes that the technology will never be used in the future.
A.
正确
B.
错误
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