Đề bài : 

Cho tam giác ABC .Trên BC lấy điểm K sao cho KC = 1/2 KB . Trên AC lấy điểm H sao cho AH = 1/4 AC .

a) So sánh diện tích tam giác HKC với diện tích tam giác ABC .

b) Biết diện tích AHK là 4,5 cm2 . Tính diện tích tam giác ABC.

                                    Các bạn giúp mình nhé . Chiều nay mình phải nộp cho cô rồi !!!!!!!!!!!!!!

Hai xã A và B cách nhau 12km. Bác An rời xã A để đi đến xã B, đi bộ được 3km, bác An lên xe máy đi 15 phút nữa thì đến xã B.

a) Tính vận tốc của xe máy? (1,5đ)

b) Nếu bác An đi xe máy ngay từ đầu mà không đi bộ thì đi từ xã A đến xã B mất bao nhiêu lâu? (1đ)

V. Rewrite the sentences using the given words.

26. There are three floors in my new house. (has)

...................................................................................

27. I cycle to school every day. (by)

.....................................................................................

28. What's your brother's job? (do )

.....................................................................................

29. The girl is beautiful. (she)

......................................................................................

30. Phuong has a brother, Nam. (is)

...................................................................................

IV. Read the conversation and answer the questions.(2pts)
Mr Pike: Hey, Phong. How's your first week at the new school?

Phong: Well, it's great. But I was a bit nervous at first.

Mr Pike: Why were you nervous?

Phong:The teachers are all new to me, most of my classmates are new too.

Mr Pike:Are they friendly to you? Phong: Ah, yeah. They are all nice to me.

Mr Pike:What subjects did you have today?

Phong: Well, we had maths, geography and computer studies, my favourite subject.

Mr Pike:Oh, good. So everything is going well at school?

Phong:Right. I had a good first day. And ...Dad, can I join the judo club at schoo? I like to do judo.

Mr Pike: Yeah, OK, if you like. But don't forget to do your homework.

Phong: I won't . Thanks, Dad.

21. Why was Phong nervous at first? .........................................................................................................

22. What are Phong's teachers and friends like? ......................................................................................................

23. What is his favourite subject? ......................................................................................................

24. What club does he want to join? ......................................................................................................

25. Is Phong having a nice first week at his new school? ......................................................................................................

III. Choose the correct option ( A,B,C or D) to complete the following passage. (2pts)
This summer holiday my parents are ………(16)…………. to take me to Hanoi. We are going to travel …………(17)…………… car. We are going to stay in my uncle’s house for two weeks. We are going to ………(18)……………. President Ho Chi Minh Mausoleum, Hoan Kiem Lake, Temple of Literature, and Lenin Park. We are going to go shopping in Dong Xuan…………(19)………., and I’m going to buy some souvernirs …………(20)………………….. my friends.
16. A. going B. goes C. to going D. went
17. A. With B. by C. for D.on
18. A. come B. look C. visit D. fly
19. A. Temple B. lake C. zoo D. market
20. A. With B. from C. for D. To

II. Choose the best answer A, B, C or D.

6. Go along the street. It's_________to the post office.

A. at B. in C. on D. next

7. We ___________ kites in the park.

A. take B. fly C. go D. read

8. He doesn’t want ___________ a movie.

A. see B. sees C. Seeing D. to see 

9. My brother __________ brown boots.

A.goes B. puts C. wears D. plays

10. Can __________ use chopsticks? Yes, she can.

A. I B. he C. she D. they

11. Is there a bed in the bathroom?

A. Yes, there is B. No,there isn’t C. No,I don't D. Yes, it isn’t

12. HCM City is ___________ city in Viet Nam .

A. big B.the biggest C. biggest D. bigger

13. Ba and Nga often listen to music in___________ free time.

A.your B. their C. Her D. his

14. There is a lamp __________the sofa.

A. next to B. under C. in D. of

15, why shouldn’t he go barefoot? __________he may get a bad cut.

A. because B. so C. and D. but

I. Find the word which has a different sound in the part underlined
1. A. study              B. bus               C. up            D. surf
2. A. Monday          B. some            C. come       D. home
3. A. goes               B. washes         C. boxes      D. classes
4. A. child               B. much             C. school     D. chair
5. A. lunchtime       B. fun                 C. sun          D. computer