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Chuyển đổi câu sao cho nghĩa không đổi :
1, She didn't eat that food and they didn't eat it , either .
→→ Neither she nor they ate that food
2, Nhung will be fifteen next week .
→→ It is Nhung's fifteenth birthday next week
3, Walking in the rain gives my brother pleasure .
→→My brother enjoys Walking in the rain
4, Keeping the environment clean is very important
→→ It's very important to Keep the environment clean
5, The water was so cold that the children couldn't swim in it .
→→ The water was not warm enough for the children to swim in
6, Tam does not type as fast as she used to .
→→ Tam used to type faster than now
7, " please turn down the radio for me , " said his father .
→→ His father asked me to turn down the radio for him
8, How long is it since you used the car ?
→→ When did you use the car for the first time?
9, They will show the time machine to the public when they finish it .
→→ The time machine will be shown to the public it is finished.
10, He was delighted to receive his aunt 's letter .
→→ He was delighted that his aunt sent him a letter
11, Vinh keep forgetting his homework
→→ Vinh is always forgetting his homework
12, I would like you to help me to put the chaira away .
→→ Do you mind helping me to put the chair away .?
13, Her son is ten years old
→→ She has a ten-year-old son
Chuyển đổi câu sao cho nghĩa không đổi :
1, She didn't eat that food and they didn't eat it , either .
→→ Neither she nor ( cấu trúc này em không biết
2, Nhung will be fifteen next week .
→→ It is Nhung's fifteenth birthday next week.
3, Walking in the rain gives my brother pleasure .
→→My brother enjoys walking in the rain.
4, Keeping the environment clean is very important
→→ It's importain to keep the environment clean.
5, The water was so cold that the children couldn't swim in it .
→→ The water was not warm enough for children swim.
6, Tam does not type as fast as she used to .
→→ Tam used to type fast.
7, " please turn down the radio for me , " said his father .
→→ His father asked him to turn down the radio.
8, How long is it since you used the car ?
→→ When did you use car ?
9, They will show the time machine to the public when they finish it .
→→ The time machine will be showed when it is finished.
10, He was delighted to receive his aunt 's letter .
→→ He was delighted that he received his aunt 's letter .
11, Vinh keep forgetting his homework
→→ Vinh is ( Cấu trúc này em không biết.
12, I would like you to help me to put the chaira away .
→→ Do you mind helping me to put the chaira away .
13, Her son is ten years old
→→ She has a ten~year old son.
-Viết lại câu sao cho nghĩa không đổi:
1. Tam doesn't type as fast as she used to →→Tam used to type faster than now
2. He last came back to his home village 5 months ago(for)
he hasn't come back to his home village for 5 months
3. She said nothing. She didn't want to make him angry(so as to)
She said nothing so as not to make him angry
4. He locked the door. He wanted nobody to disturb him(so that)
He locked the door so that nobody could disturb him
5. Old car tires are recycled to make shoes and sandals→→
People recycle old car tires to make shoes and sandals
6. Please don't play your music so loudly(playing)→
→Would you mind not playing your music so loudly?
7. Would you mind not using the office phone? (use)→
→I'd rather you didn't used the office phone
8. This is the best computer i have ever used→
→ I have never used a better computer than this one
9. He hasn't chatted with his classmates through the internet for ages→
→It's ages since he last chatted with his classmates through the internet
10. Trung's parents gave him a book on his birthday→
→Trung was given a book by his parents on his birthday
11. "Do you know the name of the person who first climbed Mount Everest?"→
→He asked me if i knew the name of the person who first climbed Mount Everest
12. I'm willing to help you repair the radio(mind)
would you mind if i helped you repair the radio?
13. Was the steam engine invented by James Watt?(invent)
did Jame Watt invent the steam engine?
14. Nobody has used this room for years→
→This room hasn't been used for years
15. Tax free goods can be bought before you get on the plane→
→You can buy the tax free goods before you get on the plane
16. "Where are you going next weekend?" An said to Hanh→
→An asked Hanh where she was going the following weekend?
17. When i was young I regularly traveled around the country (used)
i used to travel around the country when i was young
18. People say exercise is good for you(be)
exercise is said to be good for you
19. She said to me " Turn off the lights when you go out"→
→She told me to turn off the lights when i go out
20. "I'll give you my phone number so that you can call me" Jane said to me →
→Jane told me that she would give me her phone number so that i can call her
21. "I don't know that Fred is doing" Jone said to me →
→Jone said that he didn't know that Fred was doing
22. We find it difficult to understand this question→
→This question is too difficult for us understand
23. She's very pleased to see her grandparents soon→
→She's looking forward to seeing her grandparents soon
24. Does your country export rice to Britain?→
→Is rice exported to Britain by your country?
25. I thought she was an intelligent girl but she is so stupid(different from)→
→She is different from what i thought about her
26. We are willing to drive you to the airport
do you mind if we drive you to the airport?
Use the given words to make sentences
1. Earth's / fossil / fuels / running / out
→→ Earth's fossil fuels are running out
2. What / happen / when / there / no energy / earth ?
→→ What will happen when there is no energy on earth ?
3. We / looking for / alternative / sources / energy
→→ We are looking for alternative sources of energy
4. Today / water power / mostly / used / generate electricity
→→ Today , water power is mostly used to generate electricity
5. Energy / from / sun / be / clean / cheap / safe
Energy from the sun is clean , cheap and safe
#Yumi
3. looking for other alternative.......
4. togenerate => to generate
Sửa hộ mình chút !
Do as the directed speeches.
1.I usually stayed up late to watch TV last year, but now I don't. (Rewrite this sentence, using "used to")
→→ I used to ........stay up late to watch TV last year.................
2. The new restaurant looks good. It seems to have few customers (Rewrite this sentence, using "however')
→→ ........the new restaurant looks good. However, it seems to have few customers............................
3. It's about five km from my home village to the nearest town.( Make question)
→→ How far .........is it from your home village to the nearest town?.............................
4. Lan was sick. She didn't leave the meeting until it ended./ (Rewrite this sentence ,using"Despite")
→→ Despite ...........being sick, she didn't leave the meeting until it ended......................
5. you/feel/ scare/ when/ watch/horror film?.( Complete the words to make meaningful sentences)
⇒⇒ ............Do you feel scared when you watch horror film?..................
1. I used to stay up late to watch TV last year.
2.The new restaurant looks good,however, it seems to have few customers.
3. How far is it from your home village to the nearest town?
4. Despite Lan's sickness, she didn't leave the meeting until it ended.
5. Do you feel scared when you watch a horror film?
1.Jack is one meter tall and so is Hoa
→→Jack and Hoa are........AS THE SAME HEIGHT.......
2.The weather is too cold for us to go out
→→The weather is not........WARM ENOUGH FOR US TO GO OUT..........
3.We usually wrote letters when we lived in the countryside
→→We used.........TO WRITE LETTERS when we lived in the countryside.........4.The children love to play in the rain
→→The children enjoied.......PLAYING IN THE RAIN...............
5.This is a very beautyful house
→→What..........A BEAUTIFUL HOUSE!......
6.My grand mother is very old.She is retied now
→→My grand mother is old......ENOUGH TO BE RETIRED NOW............
7.It took him four houses to fly to England
→→It was......HIS FOUR-HOUR FLIGHT TO GO TO ENGLAND..........
8.You shouldn't eat too much meat
→→You'd........BETTER NOT EAT TOO MUCH MEAT............
9.Lan's parents gave her bike for her birthday
→→Lan received..........A BIKE FOR HER BIRTHDAY FROM HER PARENTS.........
10.When my mother was ill,I looker after her
→→I took.........CARE OF MY MOTHER WHEN SHE WAS ILL......
11.We had to canced the trip because of the heavy rain
→→Because it........RAINED HEAVILY, We had to canced the trip ....
12.Lan had a stomachache because she drank sour milk
→→Because of....HAVING DRUNK SOUR MILK, Lan had a stomachache.......13.Mr Phong is so old that he can't work hard
→→Mr Phong is too........OLD TO WORK HARD.........
14.Mr Brown speaks English.Mrs Kent speaks English
→→Mr Brown speaks the.....THE SAME LANGUAGE AS MRS. KENT............
15.I would like six apples
→→I'd like half.........A DOZEN OF APPLES.........
1. \(f\left(x\right)=x+x^2-6x^3+3x^4+2x^2+6x-2x^4+1\)
\(\Rightarrow f\left(x\right)=7x+3x^2-6x^3+x^4+1\)
Sắp xếp theo lũy thừa giảm dần của biến x:
\(f\left(x\right)=x^4-6x^3+3x^2+7x+1\)
2. Bậc của đa thức: 4
Hệ số tự do: 1
Hệ số cao nhất: 7
3. \(f\left(-1\right)=\left(-1\right)^4-6.\left(-1\right)^3+3.\left(-1\right)^2+7.\left(-1\right)+1=4\)
\(f\left(0\right)=0^4-6.0^3+3.0^2+7.0+1=1\)
\(f\left(1\right)=1^4-6.1^3+3.1^2+7.1+1=6\)
\(f\left(-a\right)=\left(-a\right)^4-6.\left(-a\right)^3+3.\left(-a\right)^2+7.\left(-a\right)+1=3a+1\)
\(\)
I. Rewrite the sentences with the same meaning.
1. The distance from Ha Noi to Thanh Hoa City is about 100 kilometres.
→→ It is about .......100 kilometers from hanoi to Thanh Hoa City .........
2. Although Quang Hai footballer is so young , he plays football beautifully .
→→ Despite .....being so young, Quang Hai footballer plays football beautifully ........
3. My father lived in small village when he was a child .
→→ My father ......used to live in a small village when he was a child ........
4. What is ther distance between Thanh Hoa and Ha Noi city ?
→→ How .....far is it from Thanh Hoa to Ha Noi City?........
5. I often walked to school when I was a studen.
→→ I used ......t owalk to school when I was s student .......
6. In spite of being so young , Tien Dung goalkeeper perfroms excellently .
→→ Although .....Tien Dung goalkeeper is so young, he performs excellently .........
1.to ate/was