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What could best replace the word "beneficial" in...

Câu hỏi: Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 30 to 34.
Learning to Love Locally Grown Foods
Cooking shows on TV are usually all about exotic foods. Thanks to globalization, people everywhere are introducing their taste buds to dishes from every corner of the world. At the same time, other people are discovering that food from their area is the best kept secret. In the past few years, this movement of purchasing local produce keeps picking up steam because it offers a lot of benefits.
For starters, local food is often tastier because it is fresher. Goods that are imported from abroad must be flown or shipped in from far away, so they naturally lose some of their freshness during the journey. A simple way to test this is to sample a banana from overseas versus one that was grown locally and compare the tastes. Imported goods must also be washed and packaged in plastic or other containers so they can survive the journey. These materials may cause the nutritional value of these goods to decline during the shipping process. Food safety is another reason why people are choosing local produce. Today's laws regarding foods vary from country to country. This causes confusion and makes it difficult to detect if any harmful pesticides were used. When you know the local farmer who grows your food and the fields that are used to produce it, the chances of it being contaminated are greatly reduced.
Buying local foods can also have beneficial impact on the environment. By supporting local growers, consumers can maintain green space and farmland in their communities. Buying locally also helps to build the local community. If farmers can sell directly to consumers instead of a middleman, they will earn more money for their families, Additional profits also enable farmers to better care for their soil and keep quality standards high. In the end, it is a win-win situation for both parties.
If you are interested in incorporating more local foods into your diet, you can start by attending a farmers' market in your area. This is an open market where farmers sell fruits, vegetables, and meat directly to the public. If you have any questions about the production process or quality of these goods, you can ask the farmers directly. Once you experience the freshness of local foods for yourself, it might be tough to go back to the supermarket.
What could best replace the word "beneficial" in paragraph 3?
A. helpful
B. bad
C. strange
D. unknown
Đáp án A: helpful
Kỹ năng đọc hiểu: Câu hỏi tham chiếu/ quy chiếu
Giải thích chi tiết:
Từ nào có thể thay thế tốt nhất cho từ "beneficial" ở đoạn 3?
A. có ích
B. tệ hại
C. kỳ lạ
D. không được biết đến
Để xác định được đại từ "beneficial" gần nghĩa nhất với từ nào, trong bài đọc này ta cần đọc câu chứa nó và cậu ngay sau nó: "Buying local foods can also have beneficial impact on the environment. By supporting local growers, consumers can maintain green space and farmland in their communities." (Việc mua thực phẩm địa phương cũng có thể đem lại lợi ích cho môi trường. Bằng cách ủng hộ những người nông dân địa phương, người tiêu dùng có thể duy trì một không gian xanh và đất trồng trọt sạch nơi
mình sinh sống.)
Như vậy câu thứ 2 giải thích rõ hơn ý "beneficial impact on the environment" (tác động tốt đến môi trường). Vì vậy phương án đúng là phương án A. helpful
Các phương án còn lại không phù hợp về nghĩa.
Đáp án A.
 

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