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tranxuank8
2 năm trước
Ban đêm người ta bắn một viên đạn pháo. Sau đó được khoảng thời gian giữa âm thanh và tia chớp chên lệch nhau là 2 giây. Tính khoảng cách từ vị trí khẩu pháo đến người bắn?
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Exercise 1: Choose the best option to fill in the blank. 1. The Sydney Opera House is considered as the symbol of __________. A. Asia B. America C. Australia D. Europe 2. Vietnam is located in Southeast __________. A. America B. Asia C. Australia D. Europe 3. The smallest __________ in the world is Australia. A. continent B. ocean C. country D. city 4. Some developed nations namely Britain, France and Germany are located in _______. A. America B. Asia C. Australia D. Europe 5. Have you ever seen Big Ben? It is the most visited __________in Britain. A. city B. country C. landmark D. continent 6. Penguins often live in __________because they are especially adapted to the cold weather. A. Asia B. Antarctica C. Australia D. America Exercise 2: Find which word does not belong to each group. 7. A. sunny B. beaches C. kitchen D. supermarket 8. A. big B. tall C. wide D. expensive 9. A. market B. memorial C. park D. suburb 10. A. boring B. exciting C. convenient D. interesting 11. A. cross B. turn C. straight D. buy Exercise 3: Choose the word that is opposite in meaning to the underlined word. (Tìm từ trái nghĩa với từ được gạch chân) 12. Rio de Janeiro is an exciting city. a. interesting b. dangerous c. boring d. expensive 13. The beaches in Sydney are clean and beautiful. a. clear b. dirty c. famous d. fresh 14. It’s dangerous to walk around the city at night. a. safe b. exciting c. cold d. popular 15. The dish is delicious with cheese. a. tasty b. pleasant c. fatty d. awful 16. York is a historic city in North Yorkshire. a. exciting b. modern c. famous d. quiet 17. The streets were very noisy throughout the night. a. crowded b. busy c. quiet d. empty 18. That modern building is so ugly! a. big b. impressive c. unattractive d. beautiful 19. We didn’t go camping last weekend. The weather was awful. a. unpleasant b. nice c. bad d. terrible Giai ho mik nha. Thanks

8. Put the verbs into the correct tense (simple past or present perfect simple). 1. A: (you / play / already) the new computer game? 2. B: No, not yet. I only (buy) it yesterday and I (have / not) the time yet. 3. A: (you / go) to the cinema last night? 4. B: Yes. I (be) there with Sue and Louis. (you / be) to the cinema recently? 5. A: I last (go) to the cinema two weeks ago. 6. B: So you (see / not) the new action film yet. 7. A: No, unfortunately not. (you / enjoy) it? 8. B: Oh, I really (love) it. But Sue (like / not) it – too much action! 10. A: But why (you / take) her with you? She (tell) me last week that she (hate) action films. 11. B: I think she has an eye on Louis. She (try) to flirt with him all the time. So he (can / concentrate / not) on the film. 9. Put the verbs into the correct tense (simple past or present perfect simple). 1. I (just / finish) ..................................................... my homework. 2. Mary (already / write) ........................................ five letters. 3. Tom (move)................................................. to this town in 1994. 4. My friend (be) ........................................................ in Canada two years ago. 5. I (not / be) ......................................................to Canada so far. 6. But I (already / travel)........................................ to London a couple of times. 7. Last week, Mary and Paul (go) .............................................. to the cinema. 8. I can’t take any pictures because I (not / buy)..................................... a new film yet. 9. (they / spend).................................. their holiday in New Zealand last summer? 10. (you / ever / see) ................................................... a whale?

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