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daunhoanganh
2 năm trước
Khi đốt cháy 3 gam hợp chất 5,4 gam H2O. Khối lượng mol của X là 30 gam. CTPT của X là: * 1 điểm A. CH4 B. C6H6 C. C2H6 D. C2H4
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• Match words in the advert with the definitions (1-8). 1. People applying for the job 2. A letter or email to say you’d like to apply for the job 3. The amount of money you will make a year 4. Looking for people to work for the company (formal word for ‘employing’) 5. A more formal word for ‘jobs’ with a company 6. Abbreviation meaning Curriculum Vitae (with information about you, your qualifications and experience) 7. Information about what you will need to do in the job 8. Information including name, number and address • Complete the sentences with these prepositions 1. Walk _________ to the other side of the car park and the factory is there. 2. Can you pass me that book _______ the shelf? 3. There’s lots of water ________ the water cooler so help yourself to a drink . 4. Go ________ those doors at the end and the photocopier is there. 5. The cafeteria is ________ the top of the building on the fifth floor. 6. We sit _______ each other in the same office. • Complete the questions with the present perfect or past simple form of the verbs. A: How long ______ you ______ (work) here? B: About three years. I _______ (join) the newspaper when I left the university. A: So, ______ you always ______ (want) to be a journalist? B: Not particularly. But when I ______ (be) young, I wrote stories. A: What ______ you ______ (study) at university? B: Spanish. A: ______ you ever _______ (live) in Spain? B: No, but I __________ (spend) a summer in Argentina. A: Really? ______ you ________(travel) around a lot? B: Yes, I did. Especially in the region of Patagonia

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