Trong phần thi IELTS Writing Task 1, một trong những dạng đề thường gặp là biểu đồ đường (line graph). Nhằm giúp các bạn học viên tham khảo và ôn tập tốt cho bài thi IELTS Writing sắp tới, TutorIn Education đã sưu tầm series Bài mẫu IELTS Writing Task 1 dạng Line Graph. Cùng đến với Phần 20 của loạt bài này nhé!
Đề bài IELTS Writing Task 1 dạng Line Graph
The graph below shows the average cost of monthly contract for four different cell phones in a European country from January to September in 2002. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
Write at least 150 words.

Bài viết mẫu IELTS Writing Task 1 dạng Line graph
Introduction
The line graph illustrates how much money people in a nation in Europe spent every month on four mobile contract plans between January and September in 2002.
Overview
Overall, Domo had the most expensive plan in January, but Alpha took its place in the end.
Body Paragraph 1
In terms of Domo and Lex, Domo users were charged by far the most in January, at €15. The figure then increased moderately to approximately €17 in March before a drop to about €15.5 in April. After that, the amount paid soared to €25 in July prior to decreasing to around €23 in September despite the same numbers in May and Jun, at €20. Lex subscribers spent some €13 initially but after the number dipped to €10 in February, it experienced fluctuations to just under €20 in September.
Body Paragraph 2
Regarding the other two brands, the monthly cost was much lower in January, at roughly €9 for Sim TX and €5 for Alpha. While there was a significant rise in the figure for Sim TX to some €15 in Jun, that for Alpha grew markedly to €7 in April but had fallen back to €5 in June. Since then, people paid less for Sim TX but increasingly more for Alpha, at €8 and €25 in September respectively.
Từ vựng tích lũy IELTS Writing Task 1
Từ vựng/Cụm từ vựng | Nghĩa Tiếng Việt | Ví dụ trong bài |
most expensive plan | gói đắt nhất | Domo had the most expensive plan in January. |
soared | tăng vọt | The amount paid soared to €25 in July. |
subscribers | người đăng ký | Lex subscribers spent some €13 initially. |
dipped | giảm | The number dipped to €10 in February. |
fluctuations | biến động | It experienced fluctuations to just under €20 in September. |
monthly cost | chi phí hàng tháng | The monthly cost was much lower in January. |
significant rise | tăng đáng kể | There was a significant rise in the figure for Sim TX. |
grown markedly | tăng đáng kể | That for Alpha grew markedly to €7 in April. |
fallen back | giảm trở lại | Had fallen back to €5 in June. |
increasingly more | ngày càng nhiều | People paid less for Sim TX but increasingly more for Alpha. |
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