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a) Ta có : góc ABD = DBC ( 1 ) ( BD là tia phân giác của góc ABC )
Ta lại có : BC // BE
=> Góc CBD = EDB ( 2 ) ( SLT )
Từ ( 1 ) , ( 2 ) suy ra Góc ABD = EDB
Hay EBD cân tại E
b) Ta có : góc FDC = ABC ( tự chứng minh )
Mà góc ABC > BCA ( gt )
Do đó : Góc FDC > BCA
=> FC < FD
( Quan hệ giữa góc và cạnh đối diện )
6. Tien Quan Ca is the national________ of Viet Nam.
A. folk song B. anthem C. pop song D. epic
7. Phong: Can you play any________ instruments?
Nick: No, I cannot.
A. music B. musical C.musically D. musician
8.________is traditional music of a country.
A. Jazz B. Pop music C. Folk music
9. I really do not enjoy that film because it is rather________
A. moving B. exciting C. interesting D. boring
10. My little daughter loves drawing with________
A. crayons B. mud C. a camera D. a microphone
11. I am quite different________ her.
A. for B. with C. about D. from
12. The students are very anxious________ the next exams.
A. about B. at C. for D. to
13. The museum is open ________all visitors.
A. for B. to C. at D. on
14. She always agrees________ everything her mother says.
A. to B. about C. with D. for
15. The puppets are made________ wood and then painted.
A. of B. in C. from D. at
1 he is reading a novel at present.
Is a novel being read by john at present
2 we aren't cooking the food.
the food isn't being cooked
3 Is linh singing the song?
Is the song being sung by linh?
4 We are planting a tree now.
A tree is being planted know
5 They are washing the clothes
The clothes are being washed
Sắp xếp các từ để tạo thành câu hoàn chỉnh.
1. you/intruments/play/can/any/?
Can you play any intruments ?
2. can/play/intruments/what/you/?
What intruments can you play ?
3. play/I/piano/the/can/.
I can play the piano
4. song/who/this/composed/?
Who composed this song ?
5. this/drew/painting/who/?
Who drew this painting ?
6. the/song/composer/is/who/of/this/?
Who is the composer of this song ?
7. sung/in/song/is/what/Tintanic/the/film/?
What song is sung in the Titanic film ?
#Yumi
C
C