Câu 9: A. If B. Although C. So D. However
B. Read the passage and decide statements are true (T) or false (F).
As more and more countries become industrialized, there will be more and more competition for
petroleum for cars, home heating, and industry. While burning petroleum contributes greatly to acid
rain, it is less polluting than coal. Unfortunately, petroleum is more expensive than coal and supply of
petroleum will enventually run out. Therefore, there will be more and more pressure to burn coal for
energy. Coal is a much dirtier energy source than petroleum.
Bạn đang xem câu 9: - KIEM TRA 1 TIET