Cho hình chữ nhật ABCD có AB=5cm , BC=12cm. Vẽ BH vuông góc vói BC tại H và kéo dài cắt AD tại K.
a) Giải tam giác ABC
b) Đường phân giác của góc ABC cắt AC tại M. Tính BM
c) Chứng minh AH . AC = BK . BH

Replace the To-infinitive phrases by Relative clauses.

1. Lady Astor was the first woman to take her seat in Parliament.

2. The last student to be interviewed was John.

3. I was the only person to see the difficulty.

4. The last person to leave the room must turn out the lights.

5. The air-hostess was the only person to survive the crash.

6. Jim was the first boy to reach the top.

7. He was the first man to leave the burning building.

8. We had a take to swim in.

9. Here is an application form for you to fill in.

10. I have some letters to type right now.

Replace the Relative clause by an infinitive or infinitive phrase.

1. We had a river in which we could swim.

2. The child would be happier if she had someone that he could play with.

3. I have some letters that I must write.

4. If she had a family that she had to cook for, she would be more interested.

5. I haven't anyone that I can go with.

6. We had to eat standing up because we hadn't anything that we could sit on.

7. I wish I had a box that I could keep my letters in.

8. She hadn't anyone to whom she could send cards.

9. Have you got a key that can unlock this door ?

10. There are six letters which have to be written today.

11. There is a bench that your children can sit on.

12. We have some picture books that children can read.

13. He was the second man who was killed in this way.

14. Here is the novel that she should read.

15. The man who was interviewed was entirely unsuitable.

Cho hình vuông ABCD ( góc A = góc D = 90°) , O là trung điểm AD và góc BOC =90°, BO cắt CD tại E.

C/m a) ΔEBC cân.

b) BC là tiếp tuyến của đường tròn có đường kính AD

Complete the following sentences, using Relative clauses.

1. I don't know the reason...

2. The have found the handbag...

3. He doesn't like people...

4. The police arrested the man...

5. Do you know the country...

6. I don't like the women...

7. The woman....................is my mother.

8. The man.................... is my father.

9. She has lost the bicycle...

10. This is the house...

11. The book is about the girl...

12. George works for a company...

13. What was the name of the horse...

14. The police have caught the men...

15. Mary has lost a purse...

16. Is there anyone here...

17. A market is a place...

18. It's one of the few houses...

19. The story is about a girl...

20. Please tell me the reason...

Rewrite each of other following sentences in such a way that it means exactly the same as the one printed before it.

1. The man that we are talking about is a famous scientist.

> The man about...

2. The tree that we picked these fruits from is in front of the house.

> The tree from...

3. The city that we were born in is very large.

> The city in...

4. Do you remember the day? We first met on that day.

> Do you remember the day on...

5. The manager has just announced his retirement. We have all depended on him so much.

> The manager on...

6. The officer wasn't very friendly. I spoke to him yesterday.

> The officer to...

7. The dog was very frightened. The boys threw stones at it.

> The dog at...

8. The road was built in 1980. We are driving on it.

> The road on...

9. Did you see letter? It came yesterday morning.

> Did you...

10. This is Red Hotel, and it is the biggest hotel in the city.

> This is Red Hotel, which...

Tìm k sao cho hàm số:

Tìm m để hàm số sau là hàm số bậc nhất.

Use a Relative pronoun or Relative adverbs to combine each pair of sentences below.

1. We first met in 1945. The revolution took place then.

2. The girl is happy. She won the race.

3. The taxi driver is friendly. He took me to the airport.

4. I liked the composition. You wrote it.

5. The people were very nice. We visited them yesterday.

6. The meeting was interesting. I went to it.

7. The picture was beautiful. She was looking at it.

8. I apologized the woman. I spilled her coffee.

9. The professor is excellent. I'm taking her course.

10. The man called the police. His wallet was stolen.

11. I have to call the man. I accidentally picked up his umbrella.

12. The city was beautiful. We spent our vacation there.

13. That is the restaurant. I'll meet you there.

14. The town is small. I grew up there.

15. I'll never forget the day. I first met you then.

16. May is the month. The weather is usually the hottest then.

17. 7:30 is the time. My plane will arrive then.

18. Do you remember the year? The First World War ended in that year.

19. The man is a biologist. His father is a botanist.

20. I love my parent's house. I was born in that house.