未分类题

Which of the following is not contained in the genetically modified maize?

A.Beta
B.
B.Precursors
C.
C.Precursors
D.
D.Folic
E.


【参考答案】

B
新闻中提到,新的转基因玉米包含betacaroteneandprecursorsofvitaminCandf......

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