Giúp em với ạ

Cho vectơ a=(1;3), b=(6;-2). Tìm toạ độ vectơ d sao cho vectơ a vuông góc với vectơ d và vectơ a×vectơ d=20

M.n giúp em với, em đang cần gấp ạ

1. A complaint letter should be ended .................. (polite)

2. It's time- ................ to play games online. (consume)

3. Consumer always want cheap and effective ................. . (produce)

4. Air ................ is often seen as a major anvironmental result of modern living. (pollute)

5. What does the poet want us to learn about ..................... the evironment unpollted ? (keep)

6. ................ trash will pollute the air. (burn)

7. There have been many .............. in the flied of electrical engineering. (innovate)

9. What should we do to keep the environment .................. ? (polltue)

10. Mr.Ha has just fixed the ............... faucet. (drip)

11. The .................. are always right. (consume)

12. This machine is working ............... (effect)

13. What should we do to reduce air ................? (pollute)

14. I am very ............. that I'll go to Hanoi tomorrow. (excite)

15.................. are interested in the protection of the forests. (conserve)

16. The beach needs to be .......... cleaned up. (care)

17. How can we do to keep the environment ..................... ? (pollute)

18. There are more and more ............... problems nowadays. (environment)

19. The government has plans to ................. this city. (modern)

20. We should make the most efforts to stop ................(forest)

M.n giúp em với

Sắp xếp câu:

1. bags/to/very/are/dissolve/hard/plastic

->

2. should/garbage bins/that/we/the/around/suggest/put/I/school yard

->

3. collect/that/street children/suggests/He/should/used clothes/we/for

->

4. you/Chinese/Do/food/want/or/food/Vietnamese/?

->

5. You/save/money/can/if/use/energy-saving bulbs/you

->

6. suggest/banana leaves/to reduce/garbage/using/I

->

7. to wrap food/we/would be/banana leaves/It/use/better/if

->

Wordfrom:

1. A complaint letter should be ended . (polite)

2. It's time- to play games online. (consume)

3. Consumer always want cheap and effective . (produce)

4. Air is often seen as a major anvironmental result of modern living. (pollute)

5. What does the poet want us to learn about the evironment unpollted ? (keep)

6. trash will pollute the air. (burn)

7. There have been many in the flied of electrical engineering. (innovate)

8. Solar energy can be used on days. (polite)

9. What should we do to keep the environment ? (polltue)

10. Mr.Ha has just fixed the faucet. (drip)

11. The are always right. (consume)

12. This machine is working . (effect)

13. What should we do to reduce air ? (pollute)

14. I am very that I'll go to Hanoi tomorrow. (excite)

15. are interested in the protection of the forests. (conserve)

16. The beach needs to be cleaned up. (care)

17. How can we do to keep the environment ? (pollute)

18. There are more and more problems nowadays. (environment)

19. The government has plans to this city. (modern)

20. We should make the most efforts to stop . (forest)

Giúp em với, em đang cần gấp ạ

1. These children study very well

-> These children are

2. She didn't go to school yesterday because of her illness

-> As she

3. He is not rich. He will not travel around the world

-> If

4. Hoa was very tired. Therefore, she left the party early

-> Since

5. He played soccer skillfully

-> He was

6. Nam passed the exam. His parents are very pleased to hear that

-> Nam's parents are

7. Don't forget to turn off the lights before leaving

-> Remember

8. They got the first prize. We are delighted that

-> We are