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22 tháng 1 2022
1. If the man hunt the animals, they will die.
2. If the woman throw rubbish in the river, it will be polluted
3. If the fisherman bomb the ocean, aquatic animals will die.
4. If people deforest, there will be poluted
5. If we plan trees, the Earth will be safe .
HM
6
24 tháng 5 2022
c) C=(151515/161616 + 17^9/17^10)-(1500/1600 - 1616/1717)
=(15/16 + 1/17)-(15/16 - 16/17)
= 15/16 ( 1/17 + 16/17)
=15/16 . 1 = 15/16
17 tháng 3 2022
1C 2A 3D 4B
What about helping me with my HW?
I haven't met her for 3 days
Have you ever read that book yet?
The USA had colour TV in 1953
The Eiffel Tower is the most famous building in Paris
Ngoc has never been to HCM city before
1D 2D 3B 4C
HT
17 tháng 3 2022
Bài 5: 1.C
2.A
3.D
4.B
Bài 6: 1.What about helping me with my homework?
2. I haven't met her for three days
Bài 7: 1. Have you ever read that book yet?
2. The USA had colour TV in 1953
3. The Eiffel Tower is the most famous building in Paris
4.Ngoc has never been to Ho Chi Minh City before
Bài 8: 1.D
2.D
3.B
4.C
17 tháng 9 2021
b: Ta có: \(47\dfrac{1}{9}:\left(-\dfrac{5}{2}\right)-27\dfrac{1}{9}:\left(-\dfrac{5}{2}\right)\)
\(=\left(47+\dfrac{1}{9}\right)\cdot\dfrac{-2}{5}-\left(27+\dfrac{1}{9}\right)\cdot\dfrac{-2}{5}\)
\(=20\cdot\dfrac{-2}{5}\)
=-8
I. 1. more delicious
2. larger
3. cheaper
4. more expensive
5. more important
6. happier
7. stronger
8. more comfortable
9. better
10. worse
II. 1. longer
2. older
3. bigger
4. higher
5. more dificult
6. faster
7. colder
8. more intelligent
III. 1. She is eleven years old.
2. She is a pupil.
3. Yes, she does.
4. She goes to school at half past six.
5. No, she doesn't.
6. Yes, it do.
7. Classes end at half past eleven.
IV. 1. Lan is taller than Hoa.
2. This book is thicker than that book.
3. The chair is shorter than the table.
4. These books are bigger than those books.
5. Miss Trang is younger than her sister.
6. These buildings are higher than those buildings.
7. The boys are stronger than the girls.
8. I am older than my brother.
V. 9. How does Nam go to the office by bike?
-> Nam goes to the office by bike.
10. How do Nga and Lan go to school by school bus?
-> Nga and Lan go to school by school bus.
11. Does your father travel to Ha Noi by plane?
-> My father travels to Ha Noi by plane.
12. How do the children go to the zoo by bus?
-> The children go to the zoo by bus.
13. How do you and your friends go to the stadium on foot?
-> I and my friends go to the stadium on foot.
14. How does Mrs. Lien go to the market by motorbike?
-> Mrs. Lien goes to the market by motorbike.
VII. 1. helps
2. starts / lasts
3. doing
4. will be
5. go ( vì có every afternoon)
6. is having ( vì có now)
7. won't come ( vì có tomorrow night)
8. are talking ( vì có at the moment)
VIII. 1. C
2. B
3. A
4. A
5. D
6. D
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