D:De thiDe day on anh 89 -new 9 doc

... X là Ar - Nếu X là anion X có thể là: Cl - (anion clorua), S 2- (anion sunfua), P 3- (anion photphua). - Nếu X là cation X có thể là : K + (anion Kali), Ca 2+ ( anion Canxi), 2. B là một ... 2FeCl 2 2Fe 3+ + 2Cl 2 + 6e Mn +7 + 5e Mn +2 5 6 2. 9Mg + 22HNO 3 → 9Mg(NO 3 ) 2 + N 2 + NH 4 NO 3 + 9H 2 O Mg Mg 2+ + 2e 3N +5 N 2 + N -3 + 18e 9 1 3. Br 2 + 2NaOH + 2Fe(OH) 2 ...

Ngày tải lên: 04/07/2014, 14:00

... additions. (2.5) Dear Mom and Dad, 1. I / have / wonderful / time / Ha Long Bay 2. weather / be / lovely / and/ beach and islands / look / beautiful 3. Yesterday / I / go shopping / Hon Gai ... rain ) when the plane got to Ha Noi. 8. Huong ( go to Son La last week. 9. They( listen) to the radio at 8.30 last night. 10. What Nam (do) this time yesterday ? III.Rewrite: 1. All of you must do...

Ngày tải lên: 29/08/2013, 13:11

... phoning B. I will to phone C. I’ll phone D. I will not be phone 5. Would you mind if I_________ a photo? A. take B. took C. taking D. will take 6. I _________ Cuba in 199 0. A. visit B. visited ... were hurt in the accident but only one ________ to hospital. A. has taken B. was taking C. was taken D. has been taking. 12. Nam will leave ________ Hue on Sunday. A. for B. from C. at D. in...

Ngày tải lên: 29/08/2013, 14:10

... this month I am working in the department that builds bridges. So my whole working day is different just now. I normally spend a lot of time outdoors because I have to go to the construction sites. ... she has to study the language.…………… A. so B. though C. but D. when 9. It took him six years to as a doctor and now he is a good doctor.…………… A. make B. do C. qualify D. become 10. She aske...

Ngày tải lên: 30/08/2013, 23:10

... /you. 6. population / Vietnam / about 85 million. 7. A man/ said/girl/ there/ cafe/ nearby. 8. When/ I/ see/ Nancy/ yesterday/ she/ drive/ car. 9. They / know / each other / 3 months. 10. Vietnam ... party.………… 7.The secrectary took the guest .meet the boss.……… 8. Saturday night I went to bed .11 o’clock.…………… …………… 9. They got married .2 May 199 0.………………… 10.I am usually free 5pm and 7pm.…...

Ngày tải lên: 05/09/2013, 13:10

... forward to saw you soon C.I am looking forward seeing you soon. D. I am looking forward to seeing you soon Sincerely, Lan 13. We can protect the environment by air pollution A. to reduce B. reduced ... next summer holiday ? C.Would you like to come and see me next summer holiday ? D.Would you like coming and seeing me next summer holiday ? 5.A.I am looking forward to see you soon.B. I am look...

Ngày tải lên: 05/09/2013, 13:10

... >If 4.I have never visited LonDon > I wish that some day 5. Were the letters sent by Tom? 6. Noone has signed the cheque. V. Complete the question-tags: 1. Mr. White is a tailor, ... ?……… 3. They won’t stop long, ?………… 4. She speaks too quickly, ?………… 5. He will arrive soon, ?…………… 6. Tom doesn’t like ham, ?………… 7. They told me a lie, ?…………… 8. It can’t be so bad, ?…………… 9. It...

Ngày tải lên: 08/09/2013, 09:10

... read c. read d. to be read 19. The police questioned me at some length, and I didn't enjoy. a. to question b. questioning c. to be questioned d. being questioned 20. I'd like somewhere ... d. the writer pulled him away V. Rewrite the sentences: 1. The lesson wasn't easy we studied it yesterday (which) The lesson 1. They planted trees around their house. Trees 2. There are...

Ngày tải lên: 14/09/2013, 22:10

... finger. 9. I have lived here since I am/ have been/ will be/ was 10. 10. They would be angry if you aren t/ don t/ won t/ didn t’ ’ ’ ’ visit them. 11. What will you do if you win/ won/ had won/ ... _____ the seaside _____ two weeks. 7. I haven’t seen Liz _____ Monday. 8. This suit is different _____ the one I saw yesterday. 9. The passage is written _____ English. 10. Vietnamese women usua...

Ngày tải lên: 14/09/2013, 22:10

... out on a day. It rained heavily on that day. 12/ The day was sunny. She arrived on that day. - 13. Keeping the environment clean is very important. It's 14. I don't have enough money, ... .……………………………………………… 3. I lent you a book. The book was written by one my friends. -> ……………………………………………… 4. I don’t remember the day. I left school on that day. -> ……………...

Ngày tải lên: 14/09/2013, 23:10