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Ridofukuto Maya đã đặt câu hỏi: please help me Cách đây 6 năm
1. Các dạng nước trong cây và vai trò của nó ? Nhu cầu của nước đối với thực vật ?
2. Rễ thực vật trên cạn có đặc điểm gì thích nghi với chức năng tìm nguồn nước, hấp thụ nước và ion khoáng ?
3. Hãy phân biệt cơ chế hấp thụ nước với cơ chế hấp thụ ion khoáng ở rễ ?
4. Hãy cho biết môi trường có ảnh hưởng đến quá trình hấp thụ nước và muối khoáng của rễ ntn ? Cho ví dụ ?
5. Hiện tượng gỉ nhựa, ứ giọt chứng minh sự tồn tại của lực đẩy của áp suất ở rễ ? Thế nào là áp suất rễ ? Có thể quan sát áp suất rễ qua những hiện tượng nào ? -
Ridofukuto Maya đã đặt câu hỏi: please help me Cách đây 6 năm
viết thành chương trình khai báo sau:
z= { |x|+|y| nếu điểm (x,y) thuộc hình tròn bán kính r (r>0),tâm (a,b).
x+y trong trường hợp còn lại.
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Ridofukuto Maya đã trả lời trong câu hỏi: Làm sao để đánh chữ số la mã trong word 2010? Cách đây 6 năm
nhấn caps lock xong nhấn chữ số la mã thui
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Ridofukuto Maya đã trả lời trong câu hỏi: tiếng anh 11 Cách đây 6 năm
100 từ bạn
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Ridofukuto Maya đã đặt câu hỏi: chương trình khai báo Cách đây 6 năm
viết chương trình khai báo sau:
a) z={x2 +y2 nếu x2 + y2 <= 1.
x + y nếu x2 + y2 > 1 và y >= x.
0.5 nếu x2 + y2 >1 và y< x.
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Ridofukuto Maya đã đặt câu hỏi: tiếng anh 11 Cách đây 6 năm
viết 1 đoạn văn kể về 1 cuộc thi mà bạn muốn tham gia và nêu lí do
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Ridofukuto Maya đã trả lời trong câu hỏi: You must finish the test right now. -> The test ..... Cách đây 6 năm
56. must be finished right then.
57. if her mother in that bank.
58. has stopped smoking since last year.
59. could be solved easily.
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Ridofukuto Maya đã đặt câu hỏi: tiếng anh 11 Cách đây 6 năm
I. Viết lại câu sao cho nghĩa không thay đổi.
1. My head seems to be on fire now.
> I feel as if........................
2. I had a feeling that I was walking in the air.
> I felt as through................
3. Bill doesn't work hard.
> I'd rather......................
4. He spend his money like a prince.
> he spend his money as if.............................
5. You speak like a prophet.
> You speak as through....................
6. He had no sooner drunk a cup of coffee than he began to feel drowsy.
> No sooner.......................
7. He should call me on the phone.
> It's time.............................
8. In countries like Britain the weather changes all time.
> In countries like Britain the weather..........................
9. I would like the school holiday to be longer.
> I wish....................................
10. If we had more rain, our crops would be better.
> ...........................................................
11. The crops would have been ruined, if the flood had risen higher.
> ..................................................................
12. If you had not sneezed, he wouldn't have known that we were.
> ................................................................
13. I last saw him when I was a student.
> I haven't ...................................
14. Do you have any experience of driving this kind of car?
> Have you ....................................................
15. During my dinner, the phone rang.
> While...........................................
16. David left the party before we arrived there.
> When ...............................................
17. In the middle of our sleep, there was a knock at the door.
> When ..........................................
18. James spoke to his lawyer before signing the contract.
> James didn't ...............................................
19. I haven't come there for two years.
> I last .........................................
20. I have studied E for seve years.
> I started ...............................
21. Steve started working for this company five years ago.
> Steve has..................................................
II. Tìm lỗi sai và sửa lỗi
1. If Jack had not been honest, he would have returned the money
A B C D
2. I'll be at the cinema on time unless I'll have to work overtime.
A B C D
3. If I die, please to inform my wife.
A B C D
III. Chia dạng đúng của từ cho trong ngoặc.
1. The weather ( generally, get) hot in July.
2. You must wake her up. She (sleep) soundly for 10 hours.
3. When I (go) out, the sun (shine) .
4. The light ( go) out while I (have) tea.
5. When it (rain) , she (carry) an umbrella.
6. We (walk) to the station when it (begin) to rain.
7. he (teach) E for 2 months when he (live) in Germany and ( work) as a journalist.
8. The house (burn) fast, so we ( break) the window to get out.
9. He (eat) three sandwiches while you (talk) to him.
10. The servant (drop) two cups while she (wash up) last night; neither of them (break) .
11. He (thank) me for what I (do) for him.
12. When I (arrive) , the dinner (already, begin) .
13. In England, he soon (remember) all he (learn) .
14. They (tell) him they (not meet) him before.
15. We (go) out when the rain (stop) .
16. Wait until I (catch) you .
17. I (be) ready before you (count) ten .
18. John must eat breakfast before he (go) out .
19. Miss helen (help) you as soon as she (finish) that letter.
20. he (tell) you when you (get) there.
21. She (not come) until you (be) ready.
22. I (come) and (see) you before I (leave) for England.
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Ridofukuto Maya đã đặt câu hỏi: tiếng anh 11 Cách đây 6 năm
I. Viết lại câu sao cho nghĩa không thay đổi.
1. My head seems to be on fire now.
> I feel as if........................
2. I had a feeling that I was walking in the air.
> I felt as through................
3. Bill doesn't work hard.
> I'd rather......................
4. He spend his money like a prince.
> he spend his money as if.............................
5. You speak like a prophet.
> You speak as through....................
6. He had no sooner drunk a cup of coffee than he began to feel drowsy.
> No sooner.......................
7. He should call me on the phone.
> It's time.............................
8. In countries like Britain the weather changes all time.
> In countries like Britain the weather..........................
9. I would like the school holiday to be longer.
> I wish....................................
10. If we had more rain, our crops would be better.
> ...........................................................
11. The crops would have been ruined, if the flood had risen higher.
> ..................................................................
12. If you had not sneezed, he wouldn't have known that we were.
> ................................................................
13. I last saw him when I was a student.
> I haven't ...................................
14. Do you have any experience of driving this kind of car?
> Have you ....................................................
15. During my dinner, the phone rang.
> While...........................................
16. David left the party before we arrived there.
> When ...............................................
17. In the middle of our sleep, there was a knock at the door.
> When ..........................................
18. James spoke to his lawyer before signing the contract.
> James didn't ...............................................
19. I haven't come there for two years.
> I last .........................................
20. I have studied E for seve years.
> I started ...............................
21. Steve started working for this company five years ago.
> Steve has..................................................
II. Tìm lỗi sai và sửa lỗi
1. If Jack had not been honest, he would have returned the money
A B C D
2. I'll be at the cinema on time unless I'll have to work overtime.
A B C D
3. If I die, please to inform my wife.
A B C D
III. Chia dạng đúng của từ cho trong ngoặc.
1. The weather ( generally, get) hot in July.
2. You must wake her up. She (sleep) soundly for 10 hours.
3. When I (go) out, the sun (shine) .
4. The light ( go) out while I (have) tea.
5. When it (rain) , she (carry) an umbrella.
6. We (walk) to the station when it (begin) to rain.
7. he (teach) E for 2 months when he (live) in Germany and ( work) as a journalist.
8. The house (burn) fast, so we ( break) the window to get out.
9. He (eat) three sandwiches while you (talk) to him.
10. The servant (drop) two cups while she (wash up) last night; neither of them (break) .
11. He (thank) me for what I (do) for him.
12. When I (arrive) , the dinner (already, begin) .
13. In England, he soon (remember) all he (learn) .
14. They (tell) him they (not meet) him before.
15. We (go) out when the rain (stop) .
16. Wait until I (catch) you .
17. I (be) ready before you (count) ten .
18. John must eat breakfast before he (go) out .
19. Miss helen (help) you as soon as she (finish) that letter.
20. he (tell) you when you (get) there.
21. She (not come) until you (be) ready.
22. I (come) and (see) you before I (leave) for England.