专升本考试

【单选题】 According to this passage ,the new generic revolution involves ______.
A．experiments on plants in the fields
B．developing strains of hybrid corn
C．breeding plants in test tubes
D．rearranging plant genes in laboratories

网考网参考答案：D
网考网解析：
本题为细节辨认题。在第一段中提到“Instead，it is occurring in biology laboratories，for it involves the deliberate manipulation in test tubes of the genes of crop plants．(这却是出现在生物实验室中，因为这是在试管中特意培养农作物的遗传基因。)” 查看试题解析出处>>