According to the passage, all the following are true EXCEPT__________

* Hướng dẫn giải

D.

Thông tin:

- Grasslands and prairies were ploughed and harrowed. (=A. They plowed ;and harrowed grasslands and prairies) : Các đồng cỏ đã bị cày bừa

- Mammals and birds were slaughtered for food and sport. ( B. They killed animals for food and sport)

- Minerals and oil were used in great quantities (Khoáng chất và dầu được dùng với số lượng lớn = C.      The early American settlers used a lot of minerals and oil)

Chỉ có D.    They grew different kinds of plants in prairies là không đúng