so sánh hai số a=5 mũ 200 và b=2 mũ 500

1. most……….. Parisian landmark. (icon) 2. English is recognised as an…………. language in a total of 67 different countries. (office) 3. The town is…….. situated Flags………… nations, not languages. (symbol) 4. Ayers Rock is also one of the top tourist ………in Australia. (attract) 5. The Eiffel Tower is the between two glacial lakes and is surrounded by natural beauty. (unique) 6. It is claimed that the ……were the first discoverers of Australia. (Portugal) 7 ………. men don’t wear a skirt but rather a kilt, a product of the Gaelic heritage. (Scotland)

Question 19. Maria_______ her ex-boyfriend last night when she was deeply drunk. That was ashaming! A. need have called B. must have called C. shouldn’t have called D. might have called phải giải thích nhaaa

Chọn câu sai. A. Tam giác có hai góc bằng nhau là tam giác cân. C. Tam giác cân là tam giác đều. B. Tam giác cân có một góc bằng 60 D D. Tam giác đều là tam giác có ba góc bằng nhau. là tam giác đều. D. Tam giác đều là tam giác có ba góc bằng nhau.

1 cái máy hoạt động với công xuất P = 1500W thì nâng được 1 vật nặng m =60kg lên độ cao 12 m trong 30 giây a) Tính công xuất mà máy đã thực hiện trong thời gian nâng vật b) Tìm hiệu xuất của máy trong quá trình làm việc

Exercise 1: Multiple choice 1/ Would you mind if I………. the phone a. use b. will you c. am going to use d. used 2/ Do you mind if I leave my bike here? - ………………….. a. Of course b. Fine, thank c. Please do. d.No, thanks 3/ The watches ………….. in Japan look nice. a.make b.makes c. made d. making 4/ Do you mind …………. me a hand with this bag ? a. give b. giving c. to give d. to giving 5/ The boy ………… the buffalo is Nam. a. riding b.ride c.rides d.is riding Exercise 2: Use ’Do/ Would you mind (not)+ V_ing …? and Do/Would you mind if I + …?’ 1/ May I ask you a question? Do you mind if I .............................? 2/ Could you turn the air conditioner off? Would you mind .............................? 3/ Can I borrow your newspaper? Would you mind if I ........................? 4/ Is it all right if I take a photograph? Would you mind if I ............................? 5/ Please don’t smoke in the kitchen! Do you mind ...............................?

Question 21. He acts as if he _______ English perfectly. A. know B. knew C. have known D. had known phải giải thích nhaaaaa

vị trí của đới nóng gúp e với ạ

tính bằng cánh thuận tiện nhất 4,7x5,5-4,7x4,5 2,5+2,5x9

Exercise 12: Complete the sentence with a/ an/ some or any. 1. They can have .................... bread and butter if they’re hungry. 2. Are there .................... eggs in the fridge. 3. There’s .................... policeman at the door 4. Is there .................... news about the plane crash? 5. There was .................... accident on the bridge last night. 6. There are .................... good films at the moment. 7. My aunt is living in .................... very nice house outside the city. 8. I can’t brush my teeth because there isn’t .................... toothpaste left. 9. Let me give you .................... advice. 10. There aren’t .................... taxis here. You must walk down the street. 11. Are there .................... girls in your football team? 12. Have you got .................... paper clips? 13. Here, have .................... nuts! 14. Is there .................... sugar in my coffee? 15. My brother has got .................... new jeans. 16. Are there .................... apples on the tree in your garden? 17. Have we got .................... butter? 18. They’ve got .................... baby giraffe in the zoo. 19. I’m going to the market to buy .................... fruit. 20. There isn’t .................... tea in the pot.