問題詳情
【題組】4. What is the main reason we do not know enough about GM foods?
(A) Famers don't like GM foods.
(B) Scientists need to do more testing to understand GM foods.
(C) Insecticides proves that GM foods will survive bug infestations.
(D) Companies just want to get rich.
參考答案
答案：B
難度：計算中-1
書單：沒有書單，新增
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