a,CH4,Na2O,CU(OH)2,ZnO
d,MgO,HCl,FeSO4,FeCl2
dãy c sai vì N3O2,ZnOH sai sửa N2O,Zn(OH)2
dãy b sai vì CuO2 sai sửaCuO
⇒b )a,d
Đáp án:
Giải thích các bước giải:
Dãy đúng là
⇒B,a+d
❸. WORD FORMS I. Give the correct form of the word given to complete the sentences. 1. My uncle usually takes a lot of _______ photos. (BEAUTY) 2. I think collecting old bowls is a very _______ hobby. (BORE) 3. You can use carved eggshells as _________ in your house. (DECORATE) 4. I like reading books because it __________ my knowledge. (WIDE) 5. Model making is a ____________ ways of spending time. (WONDER) 6. Reading books can also develop our __________ (IMAGINE) 7. That girl can use leaves to make ____________ sounds. (MUSIC) 8. You should choose a hobby because it will give you _______and help you relax (PLEASE) 9. Nick’s hobby is collecting stamps. He is a stamp ____________ (COLLECT) 10. Hoa is very _________and she paints very well. (CREATE) 11. Tom and his close friend are playing with his colourful train toys______ (ENJOY) 12. He thinks his brother has an ____ hobby - carving shells. It's quite strange to him. (USUAL) 13. It's____ that he carves beautiful faces into small woods. (AMAZE) 14. My mother hangs her beautiful pictures on the wall as home______. (DECORATE) 15. , Staying at home is the most.____________way of relaxation. (BORE) 16. It is__________to eat a lot of junk food. (HEALTH) 17. A thief stole all the_____________ in the museum. (PAINT) 18. There are___________symptoms when you have a cold. (differ) (DIFFER) 19. He gets a cold, so he has a _______nose. (RUN) 20. He drinks ________beer than me. (LITTLE) ❹. VERB FORMS I. Complete the sentences with the correct form of the verbs in brackets. 1. Sally and her family love (go) to the park in the summer. 2. Her mum likes (lie) on the blanket and loves (read) her favourite magazines. 3. Anna’s family (like) the park because they love (be) outdoors. 4. I enjoy (collect) dolls and it becomes my pleasure. 5. We love (watch) new films, and we (go) to watch a new Hollywood film next weekend. 6. My brother hates (do) the same things day after day. 7. Our uncle (play) badminton once a week. 8. I (collect) a lot of stamps from foreign countries so far. 9. In 2100, people (travel) in flying cars. 10. I’m so hungry, Mum. - I (make) you some sandwiches. II. Put the verbs in brackets in the correct tense form. 1. You (think) __________ collecting stamps costs much money? 2. My father thinks mountain climbing (be) __________ more dangerous than skating. 3. Every year, my mother (give) __________ me a nice doll on my birthday. 4. My brother (not like) __________ collecting stamps, he likes collecting glass bottles. 5. My sister likes (cook) __________ very much. She can cook many good foods. 6. Does your brother like (listen) __________ to music in his free time? 7. I think in the future, more people (enjoy) __________ going out by bicycles. 8. My father says when he's retired, he (go) __________ back to his village to do the gardening. 9. We are planting trees around our school now. Our school (be) __________ surrounded by a lot of green trees. 10. Lan says she loves collecting pens but she (not/continue) __________ this hobby from next year. III. Complete the text with the correct form of the verbs in the list. like (2) live be travel make sing read go write This is my favourite singer. He (1) a famous rock star. He (2) in America. He (3) all around the world and (4) in rock concerts. He (5) his songs and(6) his own video dips. In his free time, he (7) staying at home listening to his CDs. At weekends, he usually (8) to expensive restaurants with his friends. He also (9) a lot of books about strange things. I can’t wait to see him perform live. I (10) him so much.
lục địa và châu lục cái nào lớn hơn giúp mk với nha các bn mk cản ơn các bn nhiều
Tình huống: _Gia đình chú Hưng giàu có nhưng các con hư hỏng,cãi lời cha mẹ.Vợ chồng thì thường xuyên cãi nhau. *Em có nhận xét gì về gia đình trong tình huống trên?Họ đã thật sự hạnh phúc chưa?Hạnh phúc về mặt nào và không hạnh phúc về mặt nào?
Giúp mình với ạ mai mình kiểm tra 15p ạ
Trình bày những biểu hiện tan rã của xã hội nguyên thủy
Ai giải giúp mình bài 5 với ạ =))
26. In big cities, there are many kinds of _____ for young people. A. entertain B. entertains C. entertainment D. entertaining 27. What _____ does Minh like playing in his free time? A. activities B. sports C. things D. subjects 28. He goes swimming when he ______ free time. A. have B. is having C. has D. will have 29. My uncle likes ______ the vegetables we grow ourselves. A. to eat B. eat C. eats D. eating 30. My close friend draws very well. She will be a …………. artist one day. A. fame B. famous C. famously D. famed 31. We ________ swimming because it’s fun and good exercise. A. like B. are liking C. will like D. liked 32. My grandparents don’t like ________ in the city because it’s noisy and crowded. A. live B. lived C. living D. to living 33. Fire needs oxygen to burn. It ________ without oxygen. A. burn B. burns C. don’t burn D. doesn’t burn 34. How much time do you spend ________ the Internet per day? A. surf B. to surf C. surfing D. to be surfing 35.I don’t mind ________ a DVD, but I prefer ________ to the cinema. A. to watch - to go B. watching – go C. to watch – going D. watching – to go 36. _____ is her father's hobby. He likes going to the zoo to see beautiful parrots or canaries. A. Collecting birds B. Raising pets C. Bird-watching D. Arranging flowers 37. My mother loves ____ She usually grows vegetables and takes care of them when she has free time. A. cooking food B. gardening C. cycling D. eating fruits 38. My brothers would like to_____ mountain climbing. They think they will enjoy themselves and _____ some nice photos. A. go/ take B. pick/take C. take/collect D. go/pick 39. I prefer listening to music____ very much. Gentle and nice lyrics of old songs always attract my attention. A. headphones B. noise C. colours D. melodies 40. My father will go_____ on the sea when my family goes to the beach this week. A. gymnastics B. camping C. horse-riding D. surfing 41. I love making ____ because I can create some nice and unique clay bottles or cups to give my friends. A. pottery B. paper kites C. architectures D. lanterns 42. __ is my unusual hobby. I like moving on the ice and feel like a beautiful swan. A. Swimming B. Eating ice-creams C. Ice-skating D. Making models 43. She took playing the piano when she was a young girl. A. in B. over C. up D. on 44. He ____ karate club next month. He_____ to improve his health. A. will join/ wants B. joins/wants C. will join/ will want D. is joining/ wants 45. Our grandfather he ___us how to carve eggshells this weekend. A. will promise/will show B. is promising/shows C. promises/will show D. promised/shows 46. My mother____ me to the museum tomorrow because she______ to finish a lot of her work. A. doesn't take/ has B. won't take/ has C. won't take/ doesn't have D. doesn't take/ doesn't have 47. The bus in two minutes. I ____late for school when I _____it. A. arrives/ will be/ miss B. will arrive/ will be /miss C. arrives/ am/ will miss D. will arrive/ am/ will miss 48. My brother hates______ horror films. They make him________ scary a lot. A. to watch/ feel B. watching/ to feel C. to watch/ to feel D. watching/ feel 49. It's interesting______ a puppy. I enjoy_____ after it very much. A. having/ looking B. to have/ to look C. having/ to look D. to have/ looking 50. One of my favorite hobbies is comics. I love_______ more famous ones. A. read/ collecting B. reading/collecting C. to read/ to collect D. reading/ collected
huhu.MARADONA chết r .huyền thoại bóng đá achentina vẽ tranh tưởng nhớ ông ấy :(
❷. MULTIPLE CHOICE I. Choose the best answer to complete each of the following sentences. 1. Nowadays people hours sitting in front of computers. A. spend B. last C. set D. take 2. I think you should take up swimming _____it is suitable for your health condition. A. so B. because C. although D. but 3. My family enjoys because we can sell vegetables and flowers money. A. garden - to B. gardening - for C. gardening - with D. garden - of 4. If your hobby is greeting card making, you can give your to your friends as presents. A. hobby B. money C. greetings D. products 5. My sister’s hobby is sewing, and she can get the sewing patterns from the ___ magazines. A. fashion B. cooking C. sports D. science 6. My brother doesn’t like ice-skating because he thinks it is . A. danger B. in danger C. dangerous D. endangered 7. My sister is very keen on swimming, and she goes swimming three __ a week. A. time B. a time C. times D. timings 8. We often read the instructions carefully in order to make of the things we like best. A. meanings B. models C. copies D. uses 9. You need to be to follow eggshell carving because it may take two weeks to complete one shell. A. careful B. interesting C. fit D. patient 10. If you choose sewing as your hobby, you will your own clothes. A. do B. make C. take D. get 11. There are many why it is important to have a hobby. A. answers B. reasons C. details D. facts 12. Will you making models in the future? A. pick up B. look for C. take up D. find 13. Do you think that hobby is and boring? A. easy B. difficult C. danger D. interesting 14. I love my sister’s paintings because she is very in using colors. A. careless B. care C. creative D. imagine 15. A hobby helps you to connect with people. A. other B. others C. another D. the other 16. I join a photography club, and all members love photos. A. take B. taking C. make D. making 17. What does your father do his free time? A. in B. at C. on D. while 18. I think a hobby will always give you and help you . A. pleased - relax B. pleasure - relaxed C. pleased - relaxing D. pleasure - relax 19. You can share your stamps other collectors a stamp club. A. with - at B. to - at C. with - in D. to - in 20. I think this hobby does not cost you much, and you need is time. A. most B. all of C. some D. all 21. Hoa likes music. She often …………. to music in late evenings. A. listen B. listening C. listens D. to listens 22. I enjoy …………. baminton after school. A. doing B. playing C. seeing D. going 23. Ann has a large …………. of stamps. A. collect B. collection C. collecting D. collections 24. How ………….do you go to the library after school? A. often B. much C. many D. usually 25. My sister usually goes to the library with me. She likes___ comic books very much. A. read B. reading C. to read D. reads
đoạn văn thuyết minh về một lễ hội truyền thống ở việt nam hiu hii giúp mik với mik sẽ cho 5 sao
Loga.vn - Cộng Đồng Luyện Thi Trực Tuyến