mọi người giúp với

1. She speaks English ………………………………. (good/well)

2. The beach needs to be cleaned up ………………… (careful/carefully)

3. She’s (pleased / pleasedly) …………… that you are working ………… (hard/hardly) on the new project.

4. If you have a …………… (fast/fastly) car, why don’t you drive ……………… (fast/fastly)

5. She looked ……………(happy/happily) at the exam result and smiled …………. (cheerful/cheerfully).

6. They became ……………. (sick/sickly) after eating poisonous vegetables.

7. Edward felt ……………. (sleepy/sleepily) after the big meal.

8. The theater got …………… (quiet/quietly) when the movie began.

9. That car looks quite ………………. (comfortable/comfortably)

10. He plays the piano very ………… (good/well). He is a …………… (good/well) young pianist.

II. Use the correct form of the words in brackets

1. There is a ………………… faucet in your kitchen. (drip)

2. She was ………………. pleased that she passed the exam. (extreme)

3. The old man walked ………………. to the park (slow)

4. Don’t forget to drive ………………. (care)

5. If we go on littering, the environment will become seriously ……………... (pollute)

giúp mình với

Finish the second sentences so that it has the same meaning with the first one

1/Be silent or you will not hear any words

If……………………………………………………

2/Don^’t be careless or you will break the vase

If…………………………………………………

3/Unless it rains, they will go go hopping

If……………………………………………………….

4/Unless they are interested in studying,they will not pass the test

If………………………………………………………..

5/Don^’t leave the lights on all night or you will waste electricity

If…………………………………………………………………

6/Spend a lot of time to do exercises or you will feel bad

If…………………………………………………..

7/If he doesn^’t start at once,he will be late for the train

Unless………………………………………………….

8/If I don^’t have a quiet room,I will not be able to do any work

Unless…………………………………………………………..

9/Be happy or you will be old before your age

If…………………………………………………….

10/Don^’t sit here or you will have a accident

If…………………………………………

11/If someone doesn’t put the coal in ,the fire will go out

Unless

12/come soon or you may not meet us

If you

13/Do the test carefully or you may get bad marks

If you

14/Hurry up or you will miss the bus

If we

15/If you don’t study hard,you may failthe exam

Unless

16/Unless Nga hurries,she will miss the last train

If Nga

17/Unless he phones her immediately,he won’t get information

If

18/Unless he apologizes,I’ll never invite him here again

If

19/Speak slowly or he can’t understand what you mean

If you

20/Keep our environment clear or we won’t enjoy a healthy life

If we

giúp mình với nay hết hạn nộp mà bái còn nhiều quá làm không hết

Finish the second sentences so that it has the same meaning with the first one

1/Be silent or you will not hear any words

If……………………………………………………

2/Don^’t be careless or you will break the vase

If…………………………………………………

3/Unless it rains, they will go go hopping

If……………………………………………………….

4/Unless they are interested in studying,they will not pass the test

If………………………………………………………..

5/Don^’t leave the lights on all night or you will waste electricity

If…………………………………………………………………

6/Spend a lot of time to do exercises or you will feel bad

If…………………………………………………..

7/If he doesn^’t start at once,he will be late for the train

Unless………………………………………………….

8/If I don^’t have a quiet room,I will not be able to do any work

Unless…………………………………………………………..

9/Be happy or you will be old before your age

If…………………………………………………….

10/Don^’t sit here or you will have a accident

If…………………………………………

11/If someone doesn’t put the coal in ,the fire will go out

Unless

12/come soon or you may not meet us

If you

13/Do the test carefully or you may get bad marks

If you

14/Hurry up or you will miss the bus

If we

15/If you don’t study hard,you may failthe exam

Unless

16/Unless Nga hurries,she will miss the last train

If Nga

17/Unless he phones her immediately,he won’t get information

If

18/Unless he apologizes,I’ll never invite him here again

If

19/Speak slowly or he can’t understand what you mean

If you

20/Keep our environment clear or we won’t enjoy a healthy life

If we

Finish the second sentences so that it has the same meaning with the first one

1/Be silent or you will not hear any words

If……………………………………………………

2/Don^’t be careless or you will break the vase

If…………………………………………………

3/Unless it rains, they will go go hopping

If……………………………………………………….

4/Unless they are interested in studying,they will not pass the test

If………………………………………………………..

5/Don^’t leave the lights on all night or you will waste electricity

If…………………………………………………………………

6/Spend a lot of time to do exercises or you will feel bad

If…………………………………………………..

7/If he doesn^’t start at once,he will be late for the train

Unless………………………………………………….

8/If I don^’t have a quiet room,I will not be able to do any work

Unless…………………………………………………………..

9/Be happy or you will be old before your age

If…………………………………………………….

10/Don^’t sit here or you will have a accident

If…………………………………………

11/If someone doesn’t put the coal in ,the fire will go out

Unless

12/come soon or you may not meet us

If you

13/Do the test carefully or you may get bad marks

If you

14/Hurry up or you will miss the bus

If we

15/If you don’t study hard,you may failthe exam

Unless

16/Unless Nga hurries,she will miss the last train

If Nga

17/Unless he phones her immediately,he won’t get information

If

18/Unless he apologizes,I’ll never invite him here again

If

19/Speak slowly or he can’t understand what you mean

If you

20/Keep our environment clear or we won’t enjoy a healthy life

If we

giúp mình với tối nay hết hạn nộp mà còn nhiều quá

12/She (buy) ………………… this car if it is cheap.

18/If he has time this morning,he (finish) …………………this drawing

20/If she win the lottery,she(give) …………………them half of money

21/She will need new clothes if she (get ) …………………any fatter

22/I will go with him if he (go) …………………

23/you will be ill if you (eat) …………………too much

24/If you (go) ………………… away,please write to me.

25/If you work hard,you (succeed) …………………in the final exam

26/If it (get) …………………we’ll buy warm clothes

27/If you heat ice ,it (turn) …………………into water

28If it (rain) …………………,we (have) …………………the party inside

29/If the bus (be) …………………late,I (get ) …………………to work late

30.If he started earlier,he (be) ……….………………there in time

31.If I were you,I (not go) ……….………………there

Finish the second sentences so that it has the same meaning with the first one

1/Be silent or you will not hear any words

If……………………………………………………

2/Don^’t be careless or you will break the vase

If…………………………………………………

3/Unless it rains, they will go go hopping

If……………………………………………………….

4/Unless they are interested in studying,they will not pass the test

If………………………………………………………..

5/Don^’t leave the lights on all night or you will waste electricity

If…………………………………………………………………

6/Spend a lot of time to do exercises or you will feel bad

If…………………………………………………..

7/If he doesn^’t start at once,he will be late for the train

Unless………………………………………………….

8/If I don^’t have a quiet room,I will not be able to do any work

Unless…………………………………………………………..

9/Be happy or you will be old before your age

If…………………………………………………….

10/Don^’t sit here or you will have a accident

If…………………………………………

11/If someone doesn’t put the coal in ,the fire will go out

Unless

12/come soon or you may not meet us

If you

13/Do the test carefully or you may get bad marks

If you

14/Hurry up or you will miss the bus

If we

15/If you don’t study hard,you may failthe exam

Unless

16/Unless Nga hurries,she will miss the last train

If Nga

17/Unless he phones her immediately,he won’t get information

If

18/Unless he apologizes,I’ll never invite him here again

If

19/Speak slowly or he can’t understand what you mean

If you

20/Keep our environment clear or we won’t enjoy a healthy life

If we

giúp mình với

Cho tam giác ABC cân tại A biết ab bằng ac bằng 5 cm BC = 6 cm Hỏi đường cao AD và Be của tam giác ABC cắt nhau tại H D thuộc BC E thuộc AC

a Tính độ dài đoạn thẳng ad

B tính số đo góc C và góc ABC

C Gọi O là tâm đường tròn ngoại tiếp tam giác AC Chứng tỏ de là tiếp tuyến của đường tròn tâm O

từ điểm M nằm ngoài đường tròn(O,R) vẽ hai tiếp tuyến MA ,MB với(O,R) (A,B là hai tiếp điểm) 

a chứng minh MO vuông AB tại H

b Vẽ đường kính AC của (O,R) Và MC cắt (O) tại D Chứng minh ADC  bằng 90 độ và tam giác MHD bằng  tam giác MCO

c Gọi K là giao điểm của MC và AB ,AD cắt OM I. Chứng minh KIsong song AC giúp với đang cần gấp

Cho đường tròn (O; 5cm) và điểm A nằm ngoài đường tròn cách O một khoảng 7cm. Vẽ tiếp tuyến AB với đường tròn (B là tiếp điểm). Khi đó AB bằng

Cho đường tròn tâm O; bán kính R, đường kính AB. Lấy điểm M thuộc đường tròn khác hai điểm A,B . Tiếp tuyến tại M cắt hai tiếp tuyến tại A và B lần lượt tại C và D .

a. Vẽ hình và chứng minh tam giác COD vuông.

b. Cho AC= R CÂN 3 . Tính độ dài BD theo R