Cho 100 ml dung dịch h2 SO4 2m tác dụng vừa đủ với magie oxit để tạo ra muối trung hoà a, viết phương trình hóa học xảy ra b tính khối lượng của magie oxit đã phản ứng

How many bottles...............the milkman (leave).................? He (leave)...........six

Các bạn ơi giúp mình bài này với ạ !!

Một lượng khí được nén đẳng nhiệt, thể tích giảm 10 thì áp suất tăng 0,5atm. Tìm áp suất của khối khí sau khi nén biết thể tích ban đầu là 40.

Em có nhận xét gì về cách đạt quan lại cai trị của nhà Hán.

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 Exercise 4: Find the word which has a different sound in the part underlined. Read the words aloud. 20. A. yellow B. brow C. throw D. know 21. A. follow B. cow C. town D. how 22. A. find B. singer C. high D. mine 23. A. money B. wonderful C. long D. come 24. A. exhaust B.hold C.house D.height 25. a. prize b. excite c. design d. capital Exercise 5: Complete the sentences with the correct form of superlative adjectives. (viết đáp án ra vở ghi) 1. It was (horrible) ______________ feeling I have ever had. 2. Have you read her (recent) ______________ book? 3. It was (boring) ______________ speech I have ever had. 4. Your idea is (helpful) ______________ one of all. 5. The factory uses (modern) ______________ production methods. 6. Is gold (expensive) ______________ in the world? 7. Chinese is considered to be (difficult) ______________ language to learn. 8. Is this the (interesting) ______________ hobby you have? 9. I have enjoyed (exciting) ______________ speech so far. 10. Being a fire fighter is one of (dangerous) ______________ jobs. Exercise 6:Complete the sentences with the correct form (comparative or superlative) of the words In brackets. Add any necessary words. (viết đáp án ra vở ghi) 1. Sao Paulo is __________________ London. (crowded) 2. Paris is __________________ city in the world. (romantic) 3. New York is much __________________ Sydney. (expensive) 4. The Eiffel Tower is __________________ building in France. (famous) 5. China is one of __________________ countries in the world. (big) 6. In my opinion, Tokyo is __________________ Mumbai. (interesting) 7. Barcelona is __________________ Stockholm. (hot) 8. I think that Istanbul is __________________ city in the world. (beautiful) cho các bạn giỏi TA nhé

làm hộ em bài 3 với em cảm ơn mn

Vẽ giúp mk Vkook ko chibi nha~ Thanks các ARMY~

vẽ cho mik hình này ai ko vẽ đẹp thì next

2. The mother told her son _______ so impolitely. A. not behave B. not to behave C. not behaving D. did not behave 3. She said she _______ collect it for me after work. A. would B. did C. must D. had 4. She said I _______ an angel. A. am B. was C. were D. have been 5. I have ever told you he _______ unreliable. A. is B. were C. had been D. would be 6. I told him _______ the word to Jane somehow that I _______ to reach her during the early hours. A. passing / will try B. he will pass / tried C. to pass / would be trying D. he passed / have tried 7. Laura said she had worked on the assignment since _______. A. yesterday B. two days ago C. the day before D. the next day 8. John asked me _______ interested in any kind of sports. A. if I were B. if were I C. if was I D. if I was 9. I _______ you everything I am doing, 'and you have to do the same. A. will tell B. would tell C. told D. was telling 10. John asked me _______ that film the night before. A. that I saw B. had I seen C. if I had seen D. if had I seen 11. Peter said that he had lived in London four years _______. A. ago B. before C. later D. then 12. The guest told the host that _______. A. I must go now B. he must go now C. he had to go now D. he had to go then 13. The teacher told Joe _______. A. to stop talking B. stop talking C. stops talking D. stopped talking 14. She said she _______. A. was very tired last night B. was very tired the night before C. had been very tired last night D. had been very tired the night before 15. Emily said that her teacher _______ to London _______. A. will go / tomorrow B. went / tomorrow C. would go / the next day D. had gone / the next day 16. She told the boys _______ on the grass. A. do not play B. did not play C. not playing D. not to play 17. She asked _______. A. where was her umbrella B. where her umbrella was C. where were her umbrella D. where her umbrella were 18. Jason asked me _______ me the book the day before. A. if who gave B. if who has given C. who had given D. that who had given