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hoanglinh2281985
2 năm trước
Chứng minh : $\frac{1}{3}$ + $\frac{1}{7}$ + $\frac{1}{13}$ + $\frac{1}{21}$ +$\frac{1}{31}$ + $\frac{1}{43}$ + $\frac{1}{57}$ + $\frac{1}{73}$ + $\frac{1}{91}$ < 1
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Section 3. Choose a topic from the list and write a short paragraph about the topic. You can write 120-150 words (2 points). Focus on: - Task achievement (1 points), - Grammatical range and accuracy (0.5 points) - Lexical range and accuracy (0.5 points). List of topics 1. Describe a special or traditional celebration in your country. In your writing, you have to use these grammatical items: a. to + infinitive pattern b. futute forms of the verbs. 2. Do you like dressing up in costumes or masks? Write a paragraph to express your opinion. In your writing, you have to use these grammatical items: a. to + infinitive pattern b. futute forms of the verbs. 3. Do you think it’s a good idea for people to take a career break? Write a paragraph to express your opinion. In your writing, you have to use these grammatical items: a. to + infinitive pattern b. futute forms of the verbs. 4. What would your ideal job be? Write a paragraph to express your opinion. In your writing, you have to use these grammatical items: a. prepositions of places and movement b. Present Perfect tense 5. Do you like working with other people or do you prefer to be independent? Write a paragraph to express your opinion. In your writing, you have to use these grammatical items: a. prepositions of places and movement b. Present Perfect tense 6. What’s your favourite gadget? Write a paragraph to express your opinion. In your writing, you have to use these grammatical items: a. Defining relative clause b. Zero and first conditinal clause 7. What do you think about people downloading music, films and TV series? Write a paragraph to express your opinion. In your writing, you have to use these grammatical items: a. Defining relative clause b. Zero and first conditinal clause 8. What do you think of the idea of a universal language? Write a paragraph to express your opinion. In your writing, you have to use these grammatical items: a. Present Simple Passive b. Past Simple Passive

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