Not only food production is important but also taking care of the environment.是错的.not only提前要求后面用部分到装,即：Not only is food production important but also taking care of the environment.
补充的不还是那个句子吗?
我的教材上是：Not only is food production important but also taking care of the environment.这与我上面说的是一样的啊.没错啊?
（我用的是人教社教材2003年12月第1版 2003年12月西安第一次印刷）