Cho tia phâ giác  và △ ABC , cắt BC tại D . Trên tia đối của AC lấy E sao cho AE = AD . Tia phân giác của BÂE cắt EB tại I . Chứng minh :

a) BE // AD .

b) AI ⊥ EB .

Ai làm nhanh mình tick cho !!!

26. Her latest bestseller was published last month. out Her latest bestseller ______________________________ last month.

27. That story’s not true, is it? up You ______________________________, didn’t you?

28. The programme starts at half past six. on The programme ______________________________ at half past six.

29. The documentary didn’t really explore why the rainforests are being cut down. into The documentary didn’t really ______________ why the rainforests are being cut down.

30. I had a quick look at the magazine in the dentist’s waiting room. through I ______________________________ in the dentist’s waiting room.

31. I don’t think we need to mention that now. up I don’t think we need to ______________________________ now.

32. Your lies don’t fool me! through I can ______________________________ your lies!

△ABC đều , D,E,F lần lượt trên AB,AC,BC | AD =BE = CF . Chứng minh △DEF đều .

em có cảm nhận gì sau khi học xong học kì I ngữ văn 7

Exercise 10. Complete the idioms using an appropriate word from the box.

1. I felt like a ______ in the middle caught between the two rivals.

2. My sister drinks like a ______. She got through two bottles of wine last night.

3. The extension turned out to be a white ______as nobody needed the extra space.

4. You’re flogging a dead ______trying to persuade me to come with you. You’ll never get me to change my mind.

5. I wouldn’t mind lending him money but what gets my ______is that he never pays me back.

6. Karen is like a ______with a sore head this morning. What has made her so bad tempered?

7. The man told me he had come to mend the photocopier but I began to smell a ______when I found him in the director’s office.

8. The deal was supposed to be secret. Who let the ______out of the bag?

9. Since the new manager took over the business is really going to the ______. The service is not up to standard and the staff are inexperienced.

10. I could stay and talk to you till the ______come home, but I really must leave now.

Exercise 8. Fill in the correct preposition(s).

1. He was very jealous _____ his friend’s success.

2. The old lady was generous _____ her grandchildren.

3. The little boy was very frightened _____the dog next door.

4. To make a good impression _____his employer he volunteered to work late.

5. The actress was not impressed _____the role she was offered.

6. The watch he bought from the man was identical _____the one I had lost.

7. The key _____his success is his decisiveness.

8. The students were dismissed _____class at the end of the lesson.

9. The doctor was intent _____helping the patient.

10. The baby had no intention _____eating its food.

11. He is very keen _____playing computer games.

12. They were keen _____do something different at the weekend.

13. The girl had heard _____the accident from an old friend.

14. He has not heard _____his penfriend in Russia for ages.

15. I’ve heard _____him but I haven’t met him.

16. He forgave me _____insulting him.

17. The man was found guilty _____murder.

18. The woman felt guilty _____leaving her dog outside all night.

19. The boy was expelled _____school for hitting his teacher.

20. There has been an increase _____the price of fuel recently.

21. She was good _____everything at school.

22. She’s good _____her dog because it keeps her company.

23. The man was not involved _____the fight.

24. She was afraid _____jump from the building even though it was on fire.

25. That student was hopeless _____getting her work in on time.

The ice-cream consisted _____chocolate, bananas, coconut and cream

Exercise 10. Complete the idioms using an appropriate word from the box.

1. I felt like a ______ in the middle caught between the two rivals.

2. My sister drinks like a ______. She got through two bottles of wine last night.

3. The extension turned out to be a white ______as nobody needed the extra space.

4. You’re flogging a dead ______trying to persuade me to come with you. You’ll never get me to change my mind.

5. I wouldn’t mind lending him money but what gets my ______is that he never pays me back.

6. Karen is like a ______with a sore head this morning. What has made her so bad tempered?

7. The man told me he had come to mend the photocopier but I began to smell a ______when I found him in the director’s office.

8. The deal was supposed to be secret. Who let the ______out of the bag?

9. Since the new manager took over the business is really going to the ______. The service is not up to standard and the staff are inexperienced.

10. I could stay and talk to you till the ______come home, but I really must leave now.

Well , we decided to walk to work because the bus drivers were on strike . ( being )

=> Well , ________________________ on strike , we decided to walk to work .

Well , we decided to walk to work because the bus drivers were on strike . ( being )

=> Well , ________________________ on strike , we decided to walk to work .

The childen's performance at the concert was very impressive . ( audience )

=> The _________________________________ the childen's performance at the concert .