A. enthusiastic about biotechnology B. very worry about genetic engineering C. reluctant to try new plant combinations D. alarmed about limitless experiment 参考答案:A 答案解析:[解析] 该题问及作者的写作目的,也是作者对生物工程技术应用于农业所持的态度。从文章中一些感情色彩浓厚的词可窥见作者的意图。如“the most innovative agricultural res