Giải bài toán bằng cách lập phương trình 1 ô tô đi từ A đến B lúc đi với vận tốc 40km/h .khi đi được 2 phần 3 quãng đường thì ô tô tăng tốc lên 50km/h .tính quãng đường biết tổng thời gian đi cả quãng đường là 7 giờ Giải hộ mình

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A. PHONETICS Choose the word wich is pronouneed differently from the other's (Chọn từ có phần gạch chân được phát âm khác với các từ còn lại ) 1 A.teenager B.tougether C.guess D.regular 2 A.game B.arrange C.skate D.cake 3 A.horrible B.hour C.hundred D.hold 4 A.much B.drug C.future D.buffalo 5 A.serious B.symptom C.sugar D.sauce B.VOCABULARY AND GRAMMAR 1. Choose the best answer to complete the sentences. 1. My friend goes to school by motorbike, but I ........ A. doesn't B.don't C. goes D. does 2.Is he bad....... Physics? A. for B. at C. on D. in 3.Whose book are you reading?- It's......... A. English book B. interesting C. Mary's D. about Mary 4. Who is......person in your family? A. tall B. taller C. tallest D. the tallest 5.Where is Anne from? - She's from....... A. the France B. France C. French D. the country of France 6.On Sunday mornings, I often go ........ A. swimming B. swim C. to swim D. to swimming 7.Which is......London or Tokyo? A. the biggest B. bigger C. bigger than D. the big 8.He.........jogging A. doesn't go often B. often doesn't go C. doesn't often go D. often not goes 9. I have.....books than she does. A little B. few C. less D. fewer 10.My mother always wants me....... the piano well. A. to play B. playing C. play D. to playing II.Find a mistake in a sentence then correct it. 1. She always go to school on time => goes 2. She and he goes to work on foot 3. Ngoc is tall than her sister. 4. Let's to go shopping 5. They like watch T.V. 6. He comes here with bicycle. 7. I low many childs are there in the room? 8. He isn't understand what you are saying. 9. How much eggs do you want? 10. I'd like some tomatos for my breakfast