GIẢI THÍCH CHI TIẾT CÁC BƯỚC GIẢI

Read the following passage carefully and choose the best option to fit each space. Electricity is the most common form of energy used today. (1) _________ the modern world, (2) _________ is instantly available at the touch of a switch. Electricity has numerous uses. The most common use of electricity is to provide artificial lighting. In factories, electricity is used to (3) _________ the electric motor of machines. In offices, electricity is used to light up (4) _________ workplace. It is also used to operate air-conditioners, computers (5) _________ many other machines. 23. A. In B. Round C. During D. From 24. A. Gas B. water C. electricity D. coal 25. A. Driven B. drive C. driving D. drove 26. A. A B. any C. the D. many 27. A. But B. so C. because D. and

Hòa tan 8 gam hỗn hợp A gồm K2CO3 và MgCO3 vào dung dịch H2SO4 dư, khí sinh ra được sục vào 300ml dung dịch Ba(OH)2 0,2M, thu được m g kết tủa. Tính thành phần % theo khối lượng mỗi muối trong hỗn hợp A để m đạt giá trị cực tiểu và cực đại

1. That was (funny) thing to do. 2. Susie is (pretty) of the four girls. 3. This is a really good school. It’s one of (good) schools in the North West. 4. She is by far (rich) woman in the world. 5. School days are supposed to be (happy) days of your life but I don’t agree. 6. What is (popular) sport in your country? 7. That was a really good meal, probably one of (delicious) food I have ever eaten. 8. I’m surprised I didn’t fall asleep. I think that he is one of (boring) people in the world. 9. She bought (big) cake in the shop. 10. Who is (tall) person in your family?

Combine these two sentences into a new one using the given words in brackets. 37. Have you finished the book? I lent you the book two weeks ago. (which) ___________________________________________________________________ 38. It’s a pity. we do not have a computer. ( wish) I ___________________________________________________________________ 39. Bob didn’t speak Dutch. However, He decided to settle in Amsterdam. (In spite of) ___________________________________________________________________ 40. The house was too badly damaged in the fire, so it couldn’t be repaired. (too ) ___________________________________________________________________

C/m: A,B luôn dương và giá trị nhỏ nhất[lmaf cẻ hai dạng với hai phép tính] A=x^2-5x+10 B+2x^2+10x+20

Vẽ con vật cute (nhấn mạnh bộ lông) * Câu dễ điểm ít * Vô năm học rồi mà siêng hơn khi nghỉ hè luôn @@ Ko hỉu nổi.

Giúp mình vs. Mình cần gấp. Ai giải nhanh và đúng mình sẽ vote 5* và CTLHN

1. Cats are (intelligent) than rabbits. 2. Ngan is (old) than Minh. 3. China is (large) than the UK. 4. My garden is a lot (colorful) than this park. 5. Helen is (quiet) than her sister. 6. My Geography class is (boring) than my Math class. 7. My class is (big) than yours. 8. The weather this autumn is even (bad) than last autumn. 9. This box is (beautiful) than that one. 10. A holiday by the mountains is (good) than a holiday in the sea.

Rewrite the following sentences beginning as shown, so that the meaning remains the same. 33. “Can you speak English?” said Peter. Peter asked me ______________________________________________________ 34. If it doesn’t rain, we will go to the cinema this evening. Unless _____________________________________________________________ 35. They will make you pay a fine if they catch you smoking. You ____________________________________________________________ 36. Can you use this computer? You can________________________________________?