Giải giúp hộ Một bể nước có dạng hình chữ nhật có kích thước trong bể là: chiều dài 2m , chiều rộng 1,2m, chiều cao 1,4m .Hỏi bể đó chứa được bao nhiêu lít nước(1dm3= 1lít)

11 Choose the best option A, B, C or D to complete the sentences below. The concert hall was decorated ----------- a special way. A. on B. in C. with D. by 12 Choose the best option A, B, C or D to complete the sentences below. We ----------- leave now or we’ll miss the bus. A. shouldn’t B. can C. had better D. shall 13 Choose the best option A, B, C or D to complete the sentences below. The village always ----------- its harvest festival in the spring. A. holds B. makes C. joins D. takes 14 Choose the best option A, B, C or D to complete the sentences below. We should put ----------- on our roof for the heating and hot water. A. solar energy B. equipment C. sun D. solar panels 15 Choose the best option A, B, C or D to complete the sentences below. All of us have to obey ----------- strictly. A. traffic B. regular C. traffic jam D. traffic rules 16 Choose the best option A, B, C or D to complete the sentences below. Lower death rate is one reason for population growth, -----------? A. does it B. is it C. doesn’t it D. isn’t it 17 Choose the best option A, B, C or D to complete the sentences below. There ----------- a bus station in the city centre, but it has been moved to the suburbs. A. were B. used to be C. use to have D. used to have 18 Choose the best option A, B, C or D to complete the sentences below. Every year, Cannes ----------- its international film festival called Cannes Film Festival. A. hosts B. plays C. gathers D. attends 19 Choose the best option A, B, C or D to complete the sentences below. ----------- source of energy is the source that can’t be replaced after use. A. Renewable B. Effective C. Natural D. Non-renewable 20 Choose the best option A, B, C or D to complete the sentences below. During Tet holiday, the ----------- atmosphere is felt around the country. A. ethnic B. thankful C. local D. festive

Các đại ca . Các bạn chuyên văn giúp em vs.

1 Mark letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. A. biogas B. environment C. hydro D. solar 2 Mark letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. A. famine B. violence C. crime D. diverse 3 Mark letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. A. collection B. concert C. volunteer D. comic 4 Mark letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. A. head B. really C. bread D. death 5 Mark letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. A. helicopter B. recycle C. reverse D. vehicle 6 Mark letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. A. label B. bulb C. plumber D. profitable 7 Choose the best option A, B, C or D to complete the sentences below. We are looking for cheap, clean and ----------- sources of energy. A. dangerous B. effective C. inefficient D. serious 8 Choose the best option A, B, C or D to complete the sentences below. She didn’t have ----------- coat, so he gave ----------- to her. A. his - hers B. hers - his C. her - him D. her - his 9 Choose the best option A, B, C or D to complete the sentences below. When using a -----------, you can do anything you like such as reading or sleeping. A. mono wheel B. solar-powered car C. high-speed train D. driverless car 10 Choose the best option A, B, C or D to complete the sentences below. The ----------- have tried to protect the natural world that is very important to human beings. A. environmentalists B. robbers C. criminals D. murderers

So sánh nội dung thời Lý Trần , Lê Sơ : Bộ máy nhà nước , đơn vị hành chính , pháp luật

Một khu vườn hình chữ nhật có chu vi 280m người ta làm một lối đi xung quanh vườn( thuộc đất trong vườn rộng 2m ) . Tính các kích thước của vườn biết rằng điện tích đất còn lại trong vườn để trồng trọt là 4256 m vuông .(2 cách)

viết pthh theo sơ đồ sau: a) butan->etilen->etan->etilen->etylclorua->ancol etylic->buta-1,3-dien->cao su buna b) butan-> buta-1,3-dien-> butan-> etilen-> PE-> cacbonic em cần gấp lắm ạ, cám ơn mn

một thửa ruộng hình thang có trung bình cộng hai đáy là 36m nếu mở rộng đáy nhỏ của thửa rộng lên 4m thì diện tích thửa ruộng tăng thêm 32m2 a) tính chiều cao của thửa ruộng hình thang đó b. người ta cấy lúa trên thửa ruộng đó , cứa 100m2 thu được 55kg thóc . hỏi cả thửa ruộng đó thu được bao nhiêu tạ thóc bài 2

1. My friends is angry with me because I can’t remember _______exact date of her birthday. 2. ________Christmas is one of _______ important holidays in ________ Western countries. 3. ________Ho Chi Minh City is one of ________ biggest cities in ________ Vietnam. 4. “Are Kate and David _______ siblings. They look alike.” “No, they aren’t. They are_______cousins”. 5. Yesterday________fog was so thick that we couldn’t see clearly. We followed_______car in front of us and hoped that we were going________ right way. 6. My father has bought me________computer. Thanks to it, I can learn many things from_____ internet. I think _______computer is one of ________greatest inventions of all time. 7. _______Great Lakes, also called________Laurentian Great lakes and ________Great lakes of North America, are______series of interconnected freshwater lakes. 8. _______Pacific Ocean is_______largest and deepest of Earth’s oceanic divisions. It extends from ________Artic Ocean in ________ north to_______Southern Ocean in _______south. It is bounded by ________Asia and________Australia in ________west and_______US in ______east.

Câu 4. Cho tam giác ABC vuông tại A có AB = 2/3 , có ABC = 30° tính cạnh BC А. 2 В. 4 C. 3 D. 6