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Câu hỏi:

Câu trả lời của bạn: 13:33 03/12/2022

jhmmmm

Câu hỏi:

Tại sao ở thành cốc đựng nước đá lại xuất hiện những giọt nước nhỏ?
A.Cốc bị thủng
B.Trong không khí có oxi
C.Trong không khí có hơi nước
D.trong không khí có nitơ

Câu trả lời của bạn: 13:32 03/12/2022

jmhhhhhhhhh

Câu hỏi:

Quan sqts và ghi lại các hiện tượng xung quanh em có thể giải thích bằng sự lớn lên và phân chia của tế bào

Câu trả lời của bạn: 13:32 03/12/2022

jmh

Câu hỏi:

1.Complete the dialogue.
Favourite Who When. Where. What. Saw. Quickly. Zebras
Hoa:(1)………….. did you go yesterday?
Nam:I went to the zoo.
Hoa: (2)…………. Did you go with?
Nam:I went with my friend,Phong.
Hoa:What did you see at the zoo?
Nam:I (3)………………. Elephants and monkeys.
Hoa:(4)…………….. else did you see?
Nam:I saw (5)……………………… and crocodiles.
Hoa:what are your (6)…………………. Animals at the zoo?
Nam:They are monkeys.
Hoa:What did they do (7)………………… you were there?
Nam:They jumped up and down (8)……………….

Câu trả lời của bạn: 13:32 03/12/2022

jhm

Câu hỏi:

Viết lại câu:
4. My parents started to do yoga last month.
=> My parents have…
5. My friend began studying English when he was 5 years old.
=> My friend has...
6. They have used this room since last year.
=> They started....
7. She has visited me for 5 hours.
=>She began...
8. We have planted a lot of trees since last spring.
=> We started…
9. I have cleaned the car for 2 hours.
=> I began…
10. Nam has written poems since last year.
=> Nam started…
11. He started working as a teacher 6 months ago.
=> He has...
12. She started driving I month ago.
=>She has…
13. We began eating when it started to rain.
=>We have.
14. This is the first time I had such an exciting trip
=> l have never...
15. This is the first time he went abroad.
=> He hasn't..........
16. This is the first time I had such a delicious meal.
=> I haven't...
17. I last had my hair cut when I left her.
=>I haven't...
18. I last had my hair cut in June.
=> l haven't...
19. We last met 2 years ago. => We haven't...
20. we last called each other last week.
=> We havent...........
21. The last time we met was 2 years ago.
=> We haven ....
22. This last time Tom came back to his hometown was 5 years ago.
=> Tom hasn't...
23. The last tirne she kissed me was 5 months ago.
=> She hasn't..

Câu trả lời của bạn: 13:32 03/12/2022

jmhhhhhhhhhhh

Câu hỏi:

Viết lại câu:
4. My parents started to do yoga last month.
=> My parents have…
5. My friend began studying English when he was 5 years old.
=> My friend has...
6. They have used this room since last year.
=> They started....
7. She has visited me for 5 hours.
=>She began...
8. We have planted a lot of trees since last spring.
=> We started…
9. I have cleaned the car for 2 hours.
=> I began…
10. Nam has written poems since last year.
=> Nam started…
11. He started working as a teacher 6 months ago.
=> He has...
12. She started driving I month ago.
=>She has…
13. We began eating when it started to rain.
=>We have.
14. This is the first time I had such an exciting trip
=> l have never...
15. This is the first time he went abroad.
=> He hasn't..........
16. This is the first time I had such a delicious meal.
=> I haven't...
17. I last had my hair cut when I left her.
=>I haven't...
18. I last had my hair cut in June.
=> l haven't...
19. We last met 2 years ago. => We haven't...
20. we last called each other last week.
=> We havent...........
21. The last time we met was 2 years ago.
=> We haven ....
22. This last time Tom came back to his hometown was 5 years ago.
=> Tom hasn't...
23. The last tirne she kissed me was 5 months ago.
=> She hasn't..

Câu trả lời của bạn: 13:32 03/12/2022

jmhhhhhhhhhh

Câu hỏi:

Viết lại câu:
4. My parents started to do yoga last month.
=> My parents have…
5. My friend began studying English when he was 5 years old.
=> My friend has...
6. They have used this room since last year.
=> They started....
7. She has visited me for 5 hours.
=>She began...
8. We have planted a lot of trees since last spring.
=> We started…
9. I have cleaned the car for 2 hours.
=> I began…
10. Nam has written poems since last year.
=> Nam started…
11. He started working as a teacher 6 months ago.
=> He has...
12. She started driving I month ago.
=>She has…
13. We began eating when it started to rain.
=>We have.
14. This is the first time I had such an exciting trip
=> l have never...
15. This is the first time he went abroad.
=> He hasn't..........
16. This is the first time I had such a delicious meal.
=> I haven't...
17. I last had my hair cut when I left her.
=>I haven't...
18. I last had my hair cut in June.
=> l haven't...
19. We last met 2 years ago. => We haven't...
20. we last called each other last week.
=> We havent...........
21. The last time we met was 2 years ago.
=> We haven ....
22. This last time Tom came back to his hometown was 5 years ago.
=> Tom hasn't...
23. The last tirne she kissed me was 5 months ago.
=> She hasn't..

Câu trả lời của bạn: 13:31 03/12/2022

5 years old.
=> My friend has...
6. They have used this room since last year.
=> They started....
7. She has visited me for 5 hours.
=>She began...
8. We have planted a lot of trees since last spring.
=> We started…
9. I have cleaned the car for 2 hours.
=> I began…
10. Nam has written poems since

Câu hỏi:

Một căn phòng dạng hình hộp chữ nhật có chiều dài 4,5m; chiều rộng 3,5m và chiều cao 4m . Người ta quét vôi tường xung quanh căn phòng và trần nhà . Hỏi diện tích cần quét vôi là bao nhiêu mét vuông, biết tổng diện tích các cửa là 7,8 $m^{2}$ .

Câu trả lời của bạn: 13:31 03/12/2022

dggddfg

Câu hỏi:

Một gen có 3000 nuclêôtit, trong đó số nuclêôtit loại A = 600. Gen tự nhân đôi 2 lần liên tiếp.
Xác định:
a.Chiều dài của gen? Số chủ kỳ xoắn của gen?
b.Số nuclêôtit từng loại môi trường nội bào cũng cấp là bao nhiêu ?

Câu trả lời của bạn: 13:29 03/12/2022

uyjrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr

Câu hỏi:

5 và 1/7 - 2 và 4/5 : 1 và 1/5
Giúp mình nha

Câu trả lời của bạn: 13:29 03/12/2022

hi

Câu hỏi:

Từ mỗi từ đơn sau đây, em hãy tạo ra các từ láy và từ ghép: xanh, đẹp, vàng

Câu trả lời của bạn: 13:28 03/12/2022

- Đẹp

+ Từ láy : đẹp đẽ

+ Từ ghép : tươi đẹp

- Xanh

+ Từ láy : xanh xao

+ Từ ghép : xanh tốt
-Vàng:

+ Vàng nhạt

+ Vàng vọt

Câu hỏi:

bài 68 :tìm X

X-45,67x3=81,5

Câu trả lời của bạn: 13:26 03/12/2022

X - 45,67 x3 =81,5

X - 137,01 = 81,5

X = 81,5 + 137,01

x = 218,51

kkk