题目内容
_________wasthefirstcountrytocommercializeatransgeniccropin1993withtheintroductionofvirus-resistanttobacco.
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In1995,Bacillusthuringiensis(Bt)Potatowasapprovedforcultivation,makingitthefirstpesticideproducingcroptobeapprovedin_________.
By 2010, ____ countries had planted commercialized biotech crops and a further 31 countries had granted regulatory approval for transgenic crops to be imported.
In 2015, 92% of corn, 94% of soybeans, and _______ of cotton produced in the US were genetically modified strains.
According to a survery in consumers in 2018, ________ of Chinese had a negative view on GM food.
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