Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word that best fits each of the numbered blanks from 1 to 5.

Today, many governments are promoting organic or natural farming methods (1) _____ avoid the use of pesticides and other artificial products. The aim is to show that they (2) _____ about the environment and about people's health. But is this the right approach?

Europe is now the biggest (3) _____ for organic food in the world, expanding by 25 percent a year over the past 10 years. Eating organic is (4) _____ way of defining oneself as natural, good, caring different from the junk-food-scoffing masses. As a journalist puts it: "It feels closer to the source, the beginning, the start of things”.

The organic approach means farming with natural, rather than man-made. Techniques such as crop rotation improve soil quality and help organic farmers compensate for the absence of man-made chemicals.(5) _____, for its ineffective use of land and labour, there are severe limits to how much food can be produced.

Đáp án đúng là: B
Giải thích
Kiến thức liên từ:
- although + S + V: mặc dù
- however: tuy nhiên
- because + S + V: bởi vì
- moreover: hơn nữa
Tạm dịch: However, for its ineffective use of land and labour, there are severe limits to how much food can be produced.
(Tuy nhiên, do sử dụng đất đai và lao động không hiệu quả nên có những hạn chế nghiêm trọng về lượng lương thực có thể sản xuất được.)
→ Chọn đáp án B