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1. I don't have Literature on Monday and Thursday
2. What are you going to do on sport day ?
3. There isn't any milk in the fridge
4. We'll go for a trip with our family this summer holiday
5. Where did you go on your holiday last summer ?
6. He does morning exercise three times a week
7. The supermarket is between the cineme and the drugstore
8. What will the weather tomorrow ?
9. How many lessons does Linda have on Monday ?
10. They met a lot of teachers at the book fair last week
11. There are three books next to the lamp
12. Do you think we will win the competition next week ?
13. Most of us to go to the sea on summer
14. Jane will/is going to be thirteen next week
15. We should do morning exercise because it is good for our health
16. Our mother often away from home beacause of her job
* Một số câu trực tiếp gián tiếp mình chưa học nên không làm được, cậu tự làm nhé :
1. Mary (be) _________has been__________ seriously ill since last night.
2. They sometimes (go) _________go___________ school by bus.
3. How long ____have______ you (study) _____studied_____ English?
- I (study) ___________have studied_________ it for 7 years.
4. We last (see) _______saw______ them last Sunday.
5. I (not meet) _________haven't met___________ him since he moved to Hanoi.
6. Now they (play) __________are playing__________ happily in the school yard.
7. We (not finish) _________haven't finished___________ our exercises yet.
9. Mr. David (just buy) __________just has bought__________ a new house.
10. They (build) __________will buid__________ a new hospital in my neighborhood next month.
11. It (not rain) ________hasn't rained____________ since the beginning of this month.
14. ________Have__ you ever (be) _____been_____ to Ho Chi Minh City?
15. The telephone (ring) ____rang______ when we (watch) ______were watching_____ television last night.
16. Mrs Hoa (teach) ____taught_____ English in this school since she (leave) ___has left___ the university.
17. Look! That car (run) ______is running___________ very fast.
18. The Browns (have) ________is having____________ dinner at the moment.
19. He (live) _________has lived___________ in Hanoi for 20 years.
20. Alexander Graham Bell (invent) ______invented_______ the telephone many years ago.
21. She (be) _____is_____ very ill now. She (not go) ______hasn't gone______ to school since Monday.
22. + _____Have_____ you (be) ____been______ to Phong Nha before?
+ Yes. I (spend) ____spent______ my holiday there last summer.
23. I must go now. I (phone) _____phoned___ you when I (arrive) ____was arriving__________ there.
24. When I last (see) ____saw______ them, they ( work) _____were working______ in a factory in Hanoi.
25. Ba's teacher (give) ____gave______ him a lot of homework last week.
26. Tom hopes he (meet) ________will meet__ many interesting people when he goes to Hanoi next month.
27. Mai and her friends (walk) __________are walking__________ to school now.
28. They (go) ______went____ to Sao Mai Movie Theater last night.
29. She (not see) _________hasn't seen___________ that film before.
30. My mother was waiting for me when I (come) ________came______ home.
31. Ann and Susan (cook) ___________were cooking__________ dinner when Martin arrived home.
32. The light (go) ______was going________ out while we were having dinner.
33. + What _____were_____ you (do) ______doing________ at this time yesterday?
+ I (play) ____________was playing_________ games on the computer.
34. Tom! Turn off the TV. You (always watch) _________always watch___________ TV.
35. Lan often (do) ____does______ her homework carefully.
36. This is the first time Hoa (meet) __________has met__________ Tim's family.
38. Yesterday (be) ______was____ a beautiful day. The Sun (shine) _______was shining_____________ brightly when we (leave) _______left_______ home.
40. Listen! Mai (play) ________is playing____________ the piano in her room.
41. + What kind of music __do__________ you (lik e) ___lik e_______ ?
+ I pop music.
42. In summer, the Sun usually (shine) _________shines_________ brightly.
43. I (not finish) ___________haven't finished____________ reading the novel you lent me yet.
44. Julia (write) _____________is writing___________ an email to her boy friend now.
45. Jack (not meet) ______________didn't meet_________ Tom the last time he came to America.
* một số câu trực tiếp gián tiếp mình chưa học nên không làm được nhé
18. The Browns (have) ________is having____________ dinner at the moment.
19. He (live) _________has lived___________ in Hanoi for 20 years.
20. Alexander Graham Bell (invent) ______invented_______ the telephone many years ago.
21. She (be) _____is_____ very ill now. She (not go) ______hasn't gone______ to school since Monday.
22. + _____Have_____ you (be) ____been______ to Phong Nha before?
+ Yes. I (spend) ____spent______ my holiday there last summer.
23. I must go now. I (phone) _____phoned___ you when I (arrive) ____was arriving__________ there.
24. When I last (see) ____saw______ them, they ( work) _____were working______ in a factory in Hanoi.
25. Ba's teacher (give) ____gave______ him a lot of homework last week.
26. Tom hopes he (meet) ________will meet__ many interesting people when he goes to Hanoi next month.
27. Mai and her friends (walk) __________are walking__________ to school now.
28. They (go) ______went____ to Sao Mai Movie Theater last night.
29. She (not see) _________hasn't seen___________ that film before.
30. My mother was waiting for me when I (come) ________came______ home.
31. Ann and Susan (cook) ___________were cooking__________ dinner when Martin arrived home.
32. The light (go) ______was going________ out while we were having dinner.
33. + What _____were_____ you (do) ______doing________ at this time yesterday?
+ I (play) ____________was playing_________ games on the computer.
34. Tom! Turn off the TV. You (always watch) _________always watch___________ TV.
35. Lan often (do) ____does______ her homework carefully.
36. This is the first time Hoa (meet) __________has met__________ Tim's family.
38. Yesterday (be) ______was____ a beautiful day. The Sun (shine) _______was shining_____________ brightly when we (leave) _______left_______ home.
40. Listen! Mai (play) ________is playing____________ the piano in her room.
41. + What kind of music __do__________ you (lik e) ___lik e_______ ?
+ I pop music.
42. In summer, the Sun usually (shine) _________shines_________ brightly.
43. I (not finish) ___________haven't finished____________ reading the novel you lent me yet.
44. Julia (write) _____________is writing___________ an email to her boy friend now.
45. Jack (not meet) ______________didn't meet_________ Tom the last time he came to America.
I. Chia động từ trong ngoặc cho đúng thì (Give correct tenses of the verbs)
1. Mary (be) ___________has been_________ seriously ill since last night.
2. They sometimes (go) _________go___________ school by bus.
3. How long _____have_____ you (study) ____studied______ English?
- I (study) _______have studied_____________ it for 7 years.
4. We last (see) ________saw_____ them last Sunday.
5. I (not meet) _______haven't met_____________ him since he moved to Hanoi.
6. Now they (play) _________are playing___________ happily in the school yard.
7. We (not finish) ___________haven't finished_________ our exercises yet.
8. My friend said he (be) _____will be_____ working in Hanoi then.
9. Mr. David (just buy) ________just has bought____________ a new house.
10. They (build) _________will build___________ a new hospital in my neighborhood next month.
11. It (not rain) __________hasn't rained__________ since the beginning of this month.
13. We (begin) _____began_______ to learn English three years ago. Now we (learn) __________________ for 3 years. ( xem lại đề)
14. _____Have_____ you ever (be) ____been______ to Ho Chi Minh City?
15. The telephone (ring) ___rang_______ when we (watch) _____were watching______ television last night.
16. Mrs Hoa (teach) _____taught____ English in this school since she (leave) ___has left___ the university.
17. Look! That car (run) ______is running___________ very fast.
a/ O2 + 2Cu ===> 2CuO
b/ N2 + 3H2 ===> 2NH3
c/ Fe + 2HCl ===> FeCl2 + H2
d/ 1Mg(OH)2 ===> 1MgO + 1H2O
Chúc bạn học tốt!!!
Câu 1
Tính chất vật lí của Oxi: Khí oxi là chất khí không màu, không mùi,ít tan trong nước,nặng hơn không khí. Oxi hóa lỏng ở \(-183^0C\) . Oxi lỏng có màu xanh nhạt.
Tính chất của Hidro: Khí hidro là chất khí không màu, không mùi, không vị, nhẹ nhất trong các chất khí, tan rất ít trong nước.
Tính chất vật lí của nước: Nước là chất lỏng không màu(tuy nhiên lp nc dày có màu xanh da trời), không mùi, không vị, sôi ở 100 độ C,hóa rắn ở 0 độ C. Có thể hòa tan nhiều chất rắn, lỏng, khí.
Câu 2
Tính chất hóa học của oxi: Là đơn chất phi kim rất hoạt động, đặc biệt ở nhiệt độ cao, dễ dàng tham gia phản ứng hóa học với nhiều phi kim, nhiều kim loại và hợp chất.
PT minh họa:
Tác dụng với phi kim:
\(4P+5O_2\rightarrow2P_2O_5\)
Tác dụng với kim loại:
\(3Fe+2O_2\rightarrow Fe_3O_4\)
Tác dụng với hợp chất:
\(CH_4+2O_2\rightarrow CO_2+2H_2O\)
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