Tìm Tập xác định của các hàm số sau
a) y = \(\dfrac{\sqrt[3]{x^2-1}}{x^2+2x+3}\)
b) y = \(\dfrac{x}{x-\sqrt{x}-6}\)
c) y= \(\dfrac{\sqrt[3]{x-1}}{x^2+x+1}\)
d) y = \(\dfrac{\sqrt{x^2-2x+3}}{x-3\sqrt{x}+2}\)
e) f(x) = \(\dfrac{1}{\sqrt{1-\sqrt{1+4x}}}\)
1.Dùng hiện tại tiếp diễn để:
---->diễn tả 1 kế hoạch đã được sắp xếp trước.
Exercise:
Exercise:
Exercise:
2."be going to+ infinitive"
----> diễn tả 1 dử định hay 1 quyết định sẽ làm trong tương lai gần(không được sắp xếp trước)
* Go/come không dùng với thì này mà phải dùng thì hiện tại tiếp diễn
Exercise:
Exercise:
Exercise:
------> diễn tả 1 dự đoán dựa vào tình huống hay bằng chứng ở hiện tại.
Exercise:
Exercise:
Exercise 1. Choose the correct option in brackets.
1.
2.
3.
4.
5.
Exercise 2. Put the verbs in the brackets in the present progressive or be going to.
1.
2.
3.
4.
5.
Exercise 3. Complete the exchanges, using the present progressive or be going to.
1.
2.
3.
4.
5.
CHỨNG MINH
a.\(n^2\left(n+1\right)+2n\left(n+1\right)chiahetcho6\)
b.với mọi số nguyên n thì\(\left(2n-1\right)^3+\left(2n+1\right)chiahetcho8\)
MN ƯI NHANH DÙM MK GẤP LẮM RÙI
AI NHANH MK TICK CHO
1)Complete the phrases with the verbs below.
arriveget go have (x3) leave wake 1
1).....up
2).....dressed
3).....breakfast
4).....at school
5)....lunch
6)....school
7).....dinner
8).....to bed
(4) Choose five verbs from exercise 1. Write sentences saying what time you do these activities on a normal school day.
1.I wake up at haf past saven.
2.
3.
4.
5.
6.
giải giúp với please!
watching | is | listening | playing | in |
My name is Quan.Todaymy family_____at home.We are_____the living room.My father is______TV.My mother is______the piano.My brotheris______to music an I am singing
TEST 1:
Part 1: Finish each of the following sentences in such a way that it means exactly the same as the sentence printed before it. (10 points)
1.He brought the umbrella along but it didn't rain.
He needn't
2. While I strongly disapprove of your behavior, I will help you this time.
Despite ________________________________________________________________________
3.It is extremely difficult for us to make ends meet these days.
We find ______________________________________________________________________________
4. Alice and Charles did not decide to move to a bigger house until after the birth of their second child.
Only when ____________________________________________________________________________
5.I left without saying goodbye as I didn’t want to disturb the meeting.
Rather ________________________________________________________________________
Part 2: Rewrite each of the following sentences so that it means exactly the same as the given one. Using the given word in brackets. Do not change the word. (10 points)
1. You shouldn't decide now. You need to think about it first. (until)
2. You can use the computer in a minute. I'll have finished with it soon. (when)
_________________________________________________________________________________
3. We can leave in a minute. I need to pay the bill first. (as soon as)
_________________________________________________________________________________
4. We can discuss it later. We'll be sitting on the plane together. (while)
__________________________________________________________________________________
5. To spend all that money was a waste. (they considered)
TEST 2:
I. Rewrite the sentences with the given words or beginning in such a way that their meanings remain unchanged. (15pts)
1. It was his lack of confidence that surprised me.
What……………………………………………….
2. He got over his operation very quickly.
He made a…………………………………………
3. Everybody was honoured by the boss with the exception of one clerk.
All but……………………………………………..
4. The writer’s writing style contrasted sharply with his spoken language. There…………………………………………………………….
5. The gun going off was the signal for everyone to panic.
As soon as…………………………………………………….
6. He deals calmly with everything. (stride)
……………….…………………………………………………………………………………
7. Many companies were immediately affected by the new regulations. (effect)
……………….…………………………………………………………………………………
8. Being her only niece, Mary is very precious to her. (apple)
……………….…………………………………………………………………………………
9. I used to be familiar with every corner of this school. (hand)
……………….…………………………………………………………………………………
10. John and she arrived in Ho Chi Minh City at the same time. (coincided)
……………….…………………………………………………………………………………
TEST 3:
I. Write the sentence beginning with the word(s) given so that it has the closest meaning to the original one(20points)
1.While I strongly disapprove of your behavior, I will help you this time.
→ Despite my .
2.I only realised that I had forgotten to close the door when she told me.
→ Only when .
3.Despite Jack’s strange clothes, everybody ignored him.
→ Nobody took .
4.We will not delay our voyage whether there is a rain or not.
→ Regardless .
5.To pass the time, I looked through some magazines.
→ I whiled .
6. The company presents a gold watch to each of its retiring employees.
→Each ______________________________________________________.
7. They tried hard so that they would pass the exam.
→With _______________________________________________________.
8. On his way home Terry had an unfortunate accident .
→Terry met _________________________________________________.
9.The Pacific Ocean is averagely deeper than the Atlantic.
→The average _________________________________________________.
10.Peter said “I wish I were in your place”.
→ Peter said ___________________________________________________.
TEST 4:
I. Complete each of the following sentences in such a way that it means exactly the same as the sentence printed before it. (10pts)
1. Imagining our life without music is difficult.
àIt………………………………………………………………………………………
2. It is possible that some of the students saw the exam paper last week.
àThe exam paper may……………………………………………………………………
3. They are servicing my car tomorrow.
àI’m…………………………………………………………………………………………
4. These two boxers weigh exactly the same.
àThere is no………………………………………………………………………………….
5. Maria burst into tears when she heard the bad news.
àMaria broke ………………………………………………………………………………..
II. Rewrite each of the sentences using the given word so that the new one has a similar meaning as the one preceded. You must not change the given word. (10 pts)
1. The rain was coming down in torrents. ( cats)
à………………………………………………………………………………………...........
2. You can avoid tooth decay by brushing your teeth regularly. ( prevented)
à………………………………………………………………………………………………
3. You aren’t allowed to smoke on the tube. ( ban)
à………………………………………………………………………………………………
4. They share a lot of hobbies and interests. ( common)
à……………………………………………………………………………………………....
5. From the educational point of view his childhood years had been well spent. ( terms)
à……………………………………………………………………………………………….
TEST 5:
Part I: Finish each of the following sentences in such a way that it means exactly the same as the sentence printed before it. (10 points)
1. The film is similar to Shakespeare’s Hamlet in a number of ways.
The film bears ...................................................................................................................................
2. They believe that Oliver failed his exam because he was nervous.
Oliver’s failure ..................................................................................................................................
3. He imitated George Bush and other politicians in a humorous way.
He took .................................................................................................................................................
4. The boy wasn’t allowed to have any friends, so he became an introvert.
Deprived.............................................................................................................................................
5. The direct aim of the statement is to make the public aware of the present situation.
The statement boils………………………………………………………………………….
Part II: Rewrite each of the following sentences so that it means exactly the same as the given one. Using the given word in brackets. Do not change the word. (10 points)
1. Turn off all switches before leaving the room. (must)
…………………………………….………………………………………………….................
2. “Would you like to go with me to the market, Mai?”- Ha said (invited)
……...............................................................................................................................................
3. As television programmes become more popular, they seem to get worse. (worse)
……………………………………….. …………….…………………………………………...
4. We were very impressed by the new cinema but found it rather expensive. (by)
…………………………………………………………………………………………………...
5. I never intended to go to the meeting. (intention)
……….………………………………………………………………………………………….
1. • 1. Some body clean the house every day. • -> ……………………………………………………………………………..
2. • 2. How do people learn language? • -> …………………………………………………………………………….. •
3. John will collect me at the airport. • -> ……………………………………………………………………………..
• 4. Mr. Robinson teaches us how to speak English properly. • -> …………………………………………………………………………….. •
5. Your teacher must sign this form. • -> ……………………………………………………………………………..
• 6. People play football all over the world. • -> ……………………………………………………………………………..
• 7. Our form teacher will hold a class discussion next Monday. • -> ……………………………………………………………………………..
• 8. Will you invite her to your birthday party? • -> ……………………………………………………………………………..
• 9. We can't wear jeans at work. • -> …………………………………………………………………………….. • 10. Do they speak French and English in Canada? • -> ……………………………………………………………………………..
• 11. They separated the rice from the husk. • -> ……………………………………………………………………………..
• 12. The boys made a fire by their camp. • -> ……………………………………………………………………………..
• 13. They build this house more than one hundred years ago. • -> ……………………………………………………………………………..
• 14. Every year Viet Nam exports millions of tons of rice. • -> ……………………………………………………………………………..
• 15. Vietnamese people celebrate their Lunar New Year around January or February. • -> ……………………………………………………………………………..
làm giúp ạ em đang cần gấp thanks
Exercise 2. Rewrite the following sentences using conditional sentence type 1
1. Drive carefully or you will cause accident.
àIf_________________________________________________________________
2. Be quiet or you’ll wake the baby up
àIf_________________________________________________________________
3. I don’t have free time, that’s why I can’t go to see him.
àIf_________________________________________________________________
Exercise 2. Rewrite the following sentences using conditional sentence type 1
1. Drive carefully or you will cause accident.
If_________________________________________________________________
2. Be quiet or you’ll wake the baby up
If_________________________________________________________________
3. I don’t have free time, that’s why I can’t go to see him.
If_________________________________________________________________