i'll be on vacation next week , so i won't be able to attend to pass the final test.

--> since

bài 1 : cho tam giác ABC vuông tại A , đường cao AH, trung tuyến AM . Kẻ BD vuông góc AM tại I cắt AH tại E ( D thuộc AC).

a) CHỨNG MINH : BH . BC = BI . BD

b) CHỨNG MINH : AB^2 = AD . AC

c) CHỨNG MINH : E là trung điểm BD

d) Cho AB =6 , AC = 8 . Tính BD , BI , BE

Điền giới từ

1. if you have a car , you are independent........... trains and buses.

2. we were very disappointed........... the film.

3. my father is interested........... soccer.

4. this restaurant is famous.........its korean dishes.

5. the climate of vietnam is good.................. growing rice

6. his hat is different........... yours

7. Miss chi's daily expenses are just about equal..............her income

8. this game is not suitable.............me

9. he is friendly.............everybody.

10. the party is heavily dependent...........the decoration for its success.

11. john is fond....... reading picture books

12. in singapore, education is free and compulsory... children from 6 to 15

13. they are proud .......... their new house

14. In the 18th century jean cloth was made completely.............cotton.

15. The contineth of america was name ... the name of a sailor of the colunbus's crew.

16. the poem consists.... two parts.

17.jean cloth did not wear............. easily.

18. how long is the planning to stay...........you?

19. the teacher divided the class........... five groups

20. hanoi and kuala lumpur are the same................ some ways

21................... tradition, the ao dai was frequently worn by both men and women

1.it's pouring with rain again! I wish i........... an umbrella.

a)had

b)have

c)had had

d)have had

2................. tradition, the ao dai was frequently worn by both men and women.

a)by

b)in

c)on

d)from

3. hanoi and kuala lumpur are the same............some ways

a) in

b) on

c) at

d) by

4. in 1886, levi sewed a leather label.............their jeans

a) in

b) at

c) above

d) on

5. would you like to go to the concert? - thanks , but i ........... it already

a)had seen seeing

b) have seen

c) had seen

d) did seen

6. would you like to go and visit the museum tomorrow? -......................

a) that's right

b)i like to see it

c) you must want it

d) that would be great

everythings is........... satisfactorily

a) going on

b)looking after

c)falling through

d)turning up

sắp xếp lại các từ đã cho để tạo thành câu có nghĩa

1. casual/opinion/schools/clothes/enviroment/in/make/lively and colorful/my/a

2. students/on/must/uniforms/themselves/pride/everyday/thet wear /the

cho tam giác ABC có 3 góc nhọn (AB<AC) vẽ 3 đường cao AD,BF,CF cắt nhau tại H . Chứng minh rằng : a) AF . BC = CF . AH b) tam giác FHD đồng dạng tam giác AHC c) góc AFC = góc ACB

Mn giúp mik nha :3

VIII. Rewrite each of the following sentences in another way so that it means almost the same as thesentence printed before it.

1. I want you to help me carry my bags.

Can __________________________________________________________________?

2. Do you want me to warm the milk for you?

Shall _________________________________________________________________?

3. I want you to help me with math problem.

Will __________________________________________________________________?

4. He climbed the tree because he wanted to get a better view.

He climbed the tree so ____________________________________________________

5. She is studying very hard because she doesn’t want to fail in the exam.

She is studying very hard in ________________________________________________

6. Harry left early because he didn’t want to miss the train.

Harry left early so as _____________________________________________________

7. He said nothing because he didn’t want to make his mother angry.

In order ________________________________________________________________

8. I’ll give you a map so that you can find the way all right.

I’ll give you a map so ______________________________________________________

9. I promise to pay you back on Saturday.

I’ll _____________________________________________________________________

10. I promise not to talk to Richard again.

I _______________________________________________________________________

1. QuangTrung Street / Tran Hung Dao Street / and / The lane is / between /.

à_________________________________________________________

2. please / Could you / a bandage, / give me /?

à________________________________________________________

3. or coats / Don’t overheat / with blankets / the victim /.

à_____________________________________________________

4. you received / How / the present / when / did you feel /?

à______________________________________________________

5. empty / , please / you / the garbage can / Will / ?

à __________________________________________________

1. We have no ___________________________ during sleep. (conscious)

2. Last night he stayed up late, and now he feels very _______________________. (sleep)

3. He is very ________________ about his mother’s health. ( anxiety )

4. They want ___________________answers. ( immediately)

5. The heart pumps _________________________ around the body. (bleed)

6. Try to stop the __________. Use a towel or a handkerchief to cover the wound. (bleed)

7. My little often falls_______________ if the film is not exciting. (sleep)

8. I drink a lot of coffee to keep me ___________________. (wake)

9. He was ________________ for days after the accident. (conscious)

10. The doctor is giving her some first-aid ______________________. (instruct)