1、Listening chemical fertilizer cow dungradish 用化学肥料和有机肥料的区别 :Listening What is the main topic of the conversation?The possible bad effects of chemical fertilizers on the fruit and vegetables that we eat today. Paul thinks that Carrie is not telling him the truth. Using chemical fertilizers always mak
2、es vegetables empty inside. Todays fruit is not as healthy for people as fruit fifty years ago. Eating more vegetables might not always be good for us. All of todays vegetables look healthy but in fact are not.Listening T FT FT WHATS WRONG WITH THE VEGETABLES?Girl: Hey, Paul, listen to this a magazi
3、ne article about a farmer who used too much chemical fertilizer on his fields. When his vegetables were picked, they were all found to be empty!Listening text Boy: Empty? Youre joking, Carrie that cant be true!Girl: I didnt believe it either! This article says this can happen sometimes with vegetabl
4、es like cucumbers, carrots and pumpkins. The chemical fertilizer makes the vegetables grow fast to look big and beautiful, but theyre empty inside!Boy: You know, Ive noticed that sometimes my mum buys carrots from the supermarket that have big holes down the centre. I guess that must be from using c
5、hemical fertilizers!Girl: Yeah, thats what the magazine says! The main point of the article, though, isnt about holes in our vegetables. Its talking about why the fruit and vegetables we eat today arent as nutritious as the ones our grandparents ate.Boy: What? My mum is always telling me to eat more
6、 vegetables, because theyre good for me!Girl: Yeah, I know my mother says that same thing! And its true they are good for us but the problem is that they arent healthy enough! All these chemical fertilizers they kill off both the bad AND the good things in the ground. The ground doesnt have enough vitamins and minerals any more to help crops grow healthy.
