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Ta có : 3/7 = 15/35 ; 5/9 = 15/27

Coi chiều dài là 35 phần thì chiều rộng là 27 phần vậy hiệu số phần bằng nhau là : 35 - 27 = 8 ( phần )

Chiều dài thửa đất là :

24 : 8 x 35 = 105 ( cm )

Chiều rộng thửa đất là :

105 - 24 = 81 ( cm )

Chu vi thửa đất là : 

( 105 + 81 ) x 2 = 372 ( cm )

                          Đáp số : 372 cm

"một thửa đất hình chữ nhật có chiều dài hơn chiều rộng 24 cm. Tính chu vi thửa đất biết 3/7 chiều dài bằng 5/9 chiều rộng" à bạn???

I.    Complete using the correct form of the words in the box.31.   My doctor said I have to stay in bed and gave me a …………………..……………… for some medicine.32.   You must give me the …………………..……………… for that wonderful chocolate cake you made!prescription recipe33.   Many rock stars seem to end up in drug …………………..………………34.   Do you think a …………………..……………… for cancer will ever be found?35.   My...
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I.    Complete using the correct form of the words in the box.

31.   My doctor said I have to stay in bed and gave me a …………………..……………… for some medicine.

32.   You must give me the …………………..……………… for that wonderful chocolate cake you made!

prescription

 

recipe

33.   Many rock stars seem to end up in drug …………………..………………

34.   Do you think a …………………..……………… for cancer will ever be found?

35.   My grandma uses an old-fashioned …………………..……………… for her arthritis.

remedy

cure

therapy

36.   I lifted my shirt so the doctor could …………………..……………… my chest.

37.   Police have begun to …………………..……………… the break-in at the hospital.

examine

investigate

38.   My mum’s thinking of having an …………………..……………… to have her nose straightened

39.   Dr. Key told the old man that he needed …………………..……………… on his leg.

operation

 

surgery

40.   My arm is really …………………..……………… and I can’t move it.

41.   Mind you don’t …………………..……………… yourself! Oh, too late. Sorry.

42.   I had a really bad …………………..……………… in my foot so I decided to see a doctor

 

pain

sore

hurt

1
11 tháng 7 2021

I.    Complete using the correct form of the words in the box.

31.   My doctor said I have to stay in bed and gave me a prescription (kê đơn thuốc) for some medicine.

32.   You must give me the recipe(công thức nấu ăn) for that wonderful chocolate cake you made!

prescription

 

recipe

33.   Many rock stars seem to end up in drugs……………therapy……..………………

34.   Do you think a …………cure ………..……………… for cancer will ever be found?

35.   My grandma uses an old-fashioned …………remedy………..……………… for her arthritis.

remedy

cure

therapy

36.   I lifted my shirt so the doctor could ……………examine(khám bệnh)……..……………… my chest.

37.   Police have begun to …………………investigate(điều tra)..……………… the break-in at the hospital.

examine

investigate

38.   My mum’s thinking of having an …………operation(vì an+ N đếm được)………..……………… to have her nose straightened

39.   Dr. Key told the old man that he needed ……………surgery (đây là N ko đếm được)……..……………… on his leg.

operation

 

surgery

40.   My arm is really …………………sore. (be +adj).……………… and I can’t move it.

41.   Mind you don’t …………hurt…..……(don't + v)………… yourself! Oh, too late. Sorry.

42.   I had a really bad ……………pain………(adj+n)…… in my foot so I decided to see a doctor

pain

sore

hurt

1.  Choose the best answer.      1.  The Perfume River is the _________ river in Viet Nam.            A. famous                 B. most famous       C. more famous      D. greater      2.  I need some medicine. Is there a _________ near here?A. park                                  B. cinema                  C. Chemist’s             D. library      3.  A: I am going to the beach this weekend.            B: You should bring some _________. It is very sunny.            A....
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1.  Choose the best answer.

      1.  The Perfume River is the _________ river in Viet Nam.

            A. famous                 B. most famous       C. more famous      D. greater

      2.  I need some medicine. Is there a _________ near here?

A. park                                  B. cinema                  C. Chemist’s             D. library

      3.  A: I am going to the beach this weekend.

            B: You should bring some _________. It is very sunny.

            A. plaster                  B. painkiller              C. milk                       D. sun cream

      4.  The children look very _________ while playing traditional games.

            A. excited                  B. exciting                 C. excitement          D. excite

      5.  The coffee is too hot. You _________ drink it yet. Wait for it to cool.

            A. can                        B. must                      C. mustn’t                 D. can’t

      6.  It’s raining heavily outside, so we _________ go out.

            A. don’t                     B. shouldn’t             C. should                   D. must

      7.  _________ pollution causes sleeping problem.

            A. air                          B. noise                     C. water                    D. soil

      8.  I am sorry. I can’t hear you. Can you _________ that please?

            A. read                      B. write                     C. spell                       D. repeat

      9.  Living in a house is _________ than living in a flat.

            A. convenient                                              B. most convenient

            C. more convenient                                   D. the most convenient

      10.            We should use reusable water bottles _________ of plastic ones.

            A. because                B. instead                  C. despite                  D. however.

      11.            Walking to school will help _________ air pollution.

            A. refill                       B. reuse                     C. recycle                  D. reduce

      12.            We should go to school by bike to _________ the energy.

            A. save                       B. protect                 C. pollute                  D. spray

13.      One of the bad things about _________ is that it can make fish die.

            A. noise pollution   B. soil pollution       C. water pollution  D. air pollution

      14.            We _________ go to the party. We’re going to a wedding.

            A. couldn’t               B. won’t be able to                                    C. will can’t  D. want be able to

      15.            We use the _________ to change TV channel from a distance.

            A. remote control  B. screen                   C. antenna        D. TV

giúp mình nha

1
11 tháng 7 2021

1.  Choose the best answer.

      1.  The Perfume River is the _________ river in Viet Nam.

            A. famous                 B. most famous       C. more famous      D. greater

      2.  I need some medicine. Is there a _________ near here?

A. park                                  B. cinema                  C. Chemist’s             D. library

      3.  A: I am going to the beach this weekend.

            B: You should bring some _________. It is very sunny.

            A. plaster                  B. painkiller              C. milk                       D. sun cream

      4.  The children look very _________ while playing traditional games.

            A. excited                  B. exciting                 C. excitement          D. excite

      5.  The coffee is too hot. You _________ drink it yet. Wait for it to cool.

            A. can                        B. must                      C. mustn’t                 D. can’t

      6.  It’s raining heavily outside, so we _________ go out.

            A. don’t                     B. shouldn’t             C. should                   D. must

      7.  _________ pollution causes sleeping problem.

            A. air                          B. noise                     C. water                    D. soil

      8.  I am sorry. I can’t hear you. Can you _________ that please?

            A. read                      B. write                     C. spell                       D. repeat

      9.  Living in a house is _________ than living in a flat.

            A. convenient                                              B. most convenient

            C. more convenient                                   D. the most convenient

      10.            We should use reusable water bottles _________ of plas ones.

            A. because                B. instead                  C. despite                  D. however.

      11.            Walking to school will help _________ air pollution.

            A. refill                       B. reuse                     C. recycle                  D. reduce

      12.            We should go to school by bike to _________ the energy.

            A. save                       B. protect                 C. pollute                  D. spray

13.      One of the bad things about _________ is that it can make fish die.

            A. noise pollution   B. soil pollution       C. water pollution  D. air pollution

      14.            We _________ go to the party. We’re going to a wedding.

            A. couldn’t               B. won’t be able to                                    C. will can’t  D. want be able to

      15.            We use the _________ to change TV channel from a distance.

            A. remote control  B. screen                   C. antenna        D. TV

 II. Complete the sentences. Use the past simple or past perfect continuous of the verbs in brackets.1.      She ………………………………. paint on her hands because she ………………………………. the kitchen. (have, decorate)2.      After they ………………………………. for several hours, they ………………………………. to stop for a rest. (drive, decide)3.      We ……………………………. there for many months before we      ...
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II. Complete the sentences. Use the past simple or past perfect continuous of the verbs in brackets.

1.      She ………………………………. paint on her hands because she ………………………………. the kitchen. (have, decorate)

2.      After they ………………………………. for several hours, they ………………………………. to stop for a rest. (drive, decide)

3.      We ……………………………. there for many months before we       ………………………………to notice the problems. (not live, begin)

4.      ………………………………. long before the train ………………………………. ? (you / wait, arrive)

5.      I ………………………………. for months but I still ………………………………. enough money to buy a new car. (save, not have)

6.      We …………………………..…………. them to arrive for several hours when they finally ………………………………. into the drive. (expect, pull)

1
V. Choose the correct answer.24.   ‘Why were you so tired yesterday?’ ‘Because I ………………… all morning.’A. jog                             B. was jogged             C. had been jogging    D. had been jogged25.   It was the first time I ………………… a live match.A. was ever seeing                                                        B. had ever been seeing         C. had ever seen                                                           D. was ever seen26.  ...
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V. Choose the correct answer.

24.   ‘Why were you so tired yesterday?’ ‘Because I ………………… all morning.’

A. jog                             B. was jogged             C. had been jogging    D. had been jogged

25.   It was the first time I ………………… a live match.

A. was ever seeing                                                        B. had ever been seeing        

C. had ever seen                                                           D. was ever seen

26.   ‘You live in a huge house, don’t you?’ - ‘Yes, but we …………………!’

A. didn’t use to               B. wouldn’t                              C. use not                                D. weren’t used to

27.   I ………………… the whole of War and Peace by the time I was seven years old.

A. was reading               B. had been reading    C. had read                             D. had been read

28.   Karate hurt my hands at first, but I finally ………………… it in the end.

A. got used to                B. was used to                        C. was used                            D. got use to

29.   I ………………… for the match to begin when suddenly a dog ran onto the pitch.

A. had waited                 B. waited                                 C. was waiting             D. wait

30.   Before she retired, my grandma ………………… go for a run every morning before work.

A. use to                        B. would                                  C. got used to              D. was used to

 

1
11 tháng 7 2021

24.C

25.C

26.A

27.C

28.A

29.C

30.B

11 tháng 7 2021

1. He hasn't gone abroad before

2. she has driven for 1 month

3. we have eaten since it started to rain

4. i haven't had my hair cut since i left her

5. she hasn't kissed me for 5 months

1. He hasn't gone abroad before

2. She has driven for 1 month

3. I have eaten since it started to rain

4. I haven't had my hair cut since I left her

5. She hasn't kissed me for 5 months 

6. We haven't met for a long time

7. How long have you had it?

8. I haven't had such a delicious meal before

9. The last time I saw him was 8 days ago

10. It is Monday since I last took a bath

10 tháng 7 2021

1. name

2. beautiful

3. students 

4. forty

5. work

6. understand

7. library

8. schoolyard 

9. break

10. love

10 tháng 7 2021

Đáp án :

1 . name

2. beautiful

3. students

4. forty 

5. work

6. understand

7 . schoolyard

8. library

9. break

10. love

10 tháng 7 2021

1. Because the teachers are all new to him, most of classmate are new too .

2. They're nice to him .

3. His favourite subject is Math , geography and computer studies

4. He want to join in judo club .

11 tháng 7 2021

1. Because the teachers are all new to him, most of his classmate are new, too

2. They are all nice to him

3. his favourite subjects are maths, geography and computer studies.

4. He wants to join the judo club

10 tháng 7 2021
26. How much do these apples cost? 27. A car is blue. 28. Our class has forty students. 29. He goes to work at a quarter to eight. 30. Your bag is smaller than my bag.
11 tháng 7 2021

IV. Rewrite the sentences without change their meanings using the suggested words.

26. What is the price of these apples? (cost)

=> How much of these apples cost ?

27. The car is blue. (a)

=> .It's a blue car.

28. There are forty students in my class. (has)

=> My class has forty students.

29. He goes to work at seven forty five. (quarter)

=> He goes to work at quarter to eight.

30. My bag is bigger than your bag. (smaller)

=> Your bag is smaller than my bag.

IV. Read the following passage and answer the questions. Nam is a student. He's in grade six. Every morning, he gets up at half past five. He brushes his teeth at five forty-five, washes his face and gets dressed, and then hehas his big breakfast at six o'clock. He goes to school at six thirty.Nam's school is small. It has two floors and Nam's classroom is on the second floor.21. What does Nam do?...
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IV. Read the following passage and answer the questions. Nam is a student. He's in grade six. Every morning, he gets up at half past five. He brushes his teeth at five forty-five, washes his face and gets dressed, and then he
has his big breakfast at six o'clock. He goes to school at six thirty.Nam's school is small. It has two floors and Nam's classroom is on the second floor.

21. What does Nam do? ......................................................................................................

22. Which grade is he in? ....................................................................................................

23. What time does Nambrush his teeth? .....................................................................................................

24. Is Nam's school big? ......................................................................................................

25. How many floors does his school have? .......................................................................................................

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1
10 tháng 7 2021

21. Nam is a student

22. He is in grade sĩ

23. He brushes his teeth at five forty-five

24.No it isn't

25. It has two floors