Sơ đồ: Sự phân hóa giai cấp trong xã hội VN sau CTTG I

Thủy phân hoàn toàn hỗn hợp hai este đồng đẳng liên tiếp bằng 100ml dd NaOH 2M thì thu 14,3 gâm hỗn hợp hai muối và 9,2 gam ancol. Tìm CTCT của hai este.

Giúp mình vs ạ, cho mình xin cách giải lun ạ

PASSIVE VOICE:

1. The secretary opens the mail ever day.

→

2. His boss has transferred him to another department.

→

3. Ann wrote all of the reports for Mr. John.

→

4. They returned the book to the library yesterday.

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5. Mary has finished these exercises properly since last night.

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6. Mr. Smith will leave the tickets at the box office.

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7. He has to finish that project by the and of this year.

→

8. The secretary is typing the report at the moment.

→

9. We couldn't sell the house at that price.

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10. People paint their house every year to welcome Tet holiday.

→

COMPARISION:

1. He cooks better than she.

→She

2. He isn't as paitient as she.

→She

3. We are harder than they.

→They

4. He isn't as bad as his brother.

→His brother

5. She didn't do the test as carefully as he.

→He

6. Mr. Brown has more holidays than Mrs. Brown.

→Mrs. Brown doesn't

7. Liz drink more milk than Mary.

→Mary doesn't

8. We read more novels than they.

→They don't

9. They danced more beautifully then we.

→We

10. Janet is the best tennis-player in the club.

→No one

ARTICLE:

1. ............... first quality of ................ true friend is unselfish.

A. a B. an C. the D. no article

2. She is ............ grade 11 student.

A. a B. an C. the D. no article

3. When I got ............ home, I show ............ hat I have just bought to my father.

A. the/a B. no article/a C. no article/the D. a/the

4. My ........ most embarrassing experience happened ......... few years ago.

A. the/a B. no article/a C. no article/the D. no article/no article

5. When they finish singing, they blow out ....... candles on the cake.

A. a B. an C. the D. no article

6. Everyone makes ............ cakes and ......... ice cream at the birthday party.

A. the/the B. no article/a C. no article/an D. no article/no article

7. ......... volunteers believe that some of ..........happiest people in ........ world are those who help to bring .......... happiness to others.

A. the/the/the B. no article/a/the C. no article/the/the D. the/no article/the

8. ............ safe birth-control methods for family planning are not available to them.

A. a B. an C. the D. no article

9. ........... number of injuries from automobile accidents increases every year.

A. a B. an C. the D. no article

10. It's .................. interesting story.

A. a B. an C. the D. no article

VERB FORM:

1. Lan (consider) (study) aboad at the moment.

2. Mr. Brown (tell) us yesterday that he (be) in Paris a few years before.

3. Don't forget (bring) your textbook next time.

4. My brother (work) in this factory since he (move) to his new house.

5. I remember (hear) him sau the grass needed (cut).

6. A child doesn't know how (learn) (spell) without help.

7. I (make) (work) hard by my gather when I was ten.

8. He didn't wear the raincoat. If he (wear) the raincoat, he (not get) wet.

9. Yesterday he (suggest) (go) on a picnic with us.

10. When the alarm (ring) last night, Frank (jump) out of bed quickly.

11. When I (be) young, I often (go) fishing with my uncle.

12. I saw a bad accident while I (wait) for you on this corner.

13. He (not write) to me since he (leave) university.

14. Don't drink the tea until it (get) cool.

VERB FORM:

1. What the visually impaired students (do)....................... when you (come)........................ last night? They (have) ..................... a music lesson.

2. When I arrvied at the garage, a mechanic (work) ....................... on the car that my cousin (bring) ................. in.

3. They (grow).......................... different crops on this land since it (be)....................... reclaimed some years ago.

4. ......................... you (ever watch)......................... people (try)................. to cath the fish?

5. Last year, I (stay).................. in London for six months. While I (stay).................. there, I (meet)............................. John for the first time.

6. When I (come)....................... to the stadium, tue macth already (start)...........................

7. He (study)....................... in the teacher training college after he (pass).................... a difficult entrance exmination.

8. I really miss (see).................. you.

9. Please be quiet! I (work).........................

10. I didn't agree (lend)..................... you some money.

VERB FORM:

1. Since he (leave)....................... school, we (not hear)............................ from him.

2. Mr. Davy (work)..................... in the same place for thirty five years and he is not planning to retire yet.

3. Your doctor advised (go)....................... to bed early, so I really can't understand your (want)..........................(stay).................... up late.

4. We considered (give)........................ her a dress for brithday, but couldn't help (buy)............................ her some flowers, too.

5. My uncle used to (show).............................. me where (go)........................ and what (buy).............................

PASSIVE VOICE:

1. The secretary opens the mail every day.

→

2. His boss has transferred him to another department.

→

3. Ann wrote all of the reports for Mr. John.

→

4. They returned the book to the library yesterday.

→

5. Mary has finished these exercises properly since last night.

→

REWRITE THE SENTENCES:

1. The leak was repaired by the plumber this morning.

→The plumber.................................................................................................................

2. "Why didn't you come to class yesterday, Tom?" Mrs. Green said.

→Mrs. Green...................................................................................................................

3. I saw the boy lock the door.

→The boy........................................................................................................................

4. More newspapers are being sold in the city.

→People..........................................................................................................................

5. I regret not joining with you yesterday.

→I wish...........................................................................................................................

6. "Go to bed and don't get up until you are called", she said to the children.

→She...............................................................................................................................

7. I'll help you if you promise to work harder.

→Unless..........................................................................................................................

8. Jim has to repeat the class because he is very lazy.

→If..................................................................................................................................

9. The computer can be used to solve the most complicated problems at a lightning speed.

→We................................................................................................................................

10.Unless she rets, she really will be ill.

→If..................................................................................................................................