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28 tháng 3

ACC ff mua trên sộp của tôi👻

28 tháng 3

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28 tháng 3

Một số tự nhiên có 2 chữ số. Nếu đảo ngược chữ số của số đó, ta được một số mới lớn hơn số ban đầu 36 đơn vị. Biết rằng tổng hai chữ số của số ban đầu là 12. Tìm số đó

28 tháng 3

Giải

0,75 = \(\frac34\)

Tỉ số của hai số là: \(\frac34\)

Theo bài ra ta có sơ đồ:

Theo sơ đồ ta có:

Số bé là: 0,75 : (4 - 3) x 3 = 2,25

Số lớn là: 2,25 + 0,75 = 3

Đáp số: Số lớn là 3; số bé là 2,25

   Exercise 1: Fill in the blanks with present simple or present continuous. 1.      Where is father ? He ( listen)                               to the CD. He2.      Don't forget to take your umbrella with you to London. You know it always ( rain)                                     in London. Jean ( work)                                        hard all days but she ( not...
Đọc tiếp

 

 

 

Exercise 1: Fill in the blanks with present simple or present continuous.

 

1.      Where is father ? He ( listen)                               to the CD. He

2.      Don't forget to take your umbrella with you to London. You know it always ( rain)

                                     in London.

Jean ( work)                                        hard all days but she ( not work)

 

3.

                                                   at the moment.

Look ! the boy ( run) _                        after the bus. He ( want)                                        to

 

4.

catch it.

He ( speak)                                          English so well because he ( come)

 

5.

                               from England.

He ( not understand ) _                                What you ( talk)                                 about

 

6.

because he is a foreigner.

7. She usually ( get)                                  up early but today she ( get up)

                                     late.

Look ! It ( snow) _                             right now. It often ( snow)                                         in

 

8.

country.

9.      Where are the children ? They ( play)                                in the garden.

10.                    you ( enjoy)                               _ the party ? Yes, I ( have) _                      a good time.

 

Exercise 2: Fill in the blanks with present simple or present continuous.

 

1.      Look! He ( leave)                                     the house.

2.      Keep silent ! I ( do)                                           the test.

3.      She usually ( walk)                                     to school but today she ( go)                     by bike.

4.      Every Sunday , we ( visit)                                our grandparents.

5.      I ( not/do)                                     anything at the moment.

6.      We ( play) _                                 Monopoly right now.

7.      He often ( go)                               to the cinema at the weekend.

8.      The children seldom ( cry)                                              .

9.                                he ( watch)                              news regularly?

10.  Where                         Mark (go)                        ? He (go)                       to the supermarket.

 

Exercise 3: Circle the correct answer.

 

1.  James is            _ judo in the playground with his friends and he is very excited.

 

A.  studying                       B. doing                     C. playing                  D. have

 

2.  Keep quiet! Jessica               a headache so she is sleeping in her bedroom.

 

A.   does                               B. plays                      C. studying                D. has


3.                        My father is    a cup of coffee with his colleague in the living room now.

 

A.  plays        B. study        C. doing                     D. having

 

4.  Williams always               breakfast with bread, egg and milk before coming to school.

 

A.  has           B. plays        C. studies                   D. does

 

5.                        Tiffany and Rosy usually help their mom _ the chores at the weekend.

 

A.  study        B. do             C. playing                  D. have

 

6.  She usually               English vocabulary every morning.

 

A.  doing       B. having     C. studies                   D. plays

 

7.  My brother               basketball with his friends three times a week

 

A.  does         B. has           C. plays                      D. study

 

8.  Helen rarely               a chat with her pen friend in American.

 

A.  does         B. has           C. studies                   D. plays

 

9.  Frank is            _ Maths at the moment to prepare for the final exam.

 

A.   studying                        B. doing                     C. playing                  D. has

 

10.   My brother doesn’t               badminton in the evening

 

A.   play                                D. do                           C. have                       D. study

 

11.                   What time does Nga              every morning?

 

A. gets up               B. get up                    C. get                          D. gets

 

12.                   Nam and Minh                       playing soccer in the yard at the moment.

 

A. do                       B. is                            C. are                          D. does

 

13.                   Mai                  dressed at six thirty every morning.

 

A. does                   B. brushes                 C. gets                        D. lives

 

14.                   Mai                  her teeth every morning.

 

A. brushing            B. brushes                 C. brush                     D. brushed

 

15.                   Mai                  dressed at six thirty every morning.

 

A. does                   B. brushes                 C. gets                        D. lives

       16. She ............................ from England.

         A. come             B. comes           C. don’t come                  D. goes

    17. ............................she ............................French?

      A. Do / speaks             B. Does / speaks         C. Does / speak            D. Is / speak

    18. She ........................................................from America.

     A. don’t comes           B. doesn’t come             C. doesn’t comes       D. does comes

    19. I ............................a bath now. Wait me a minute.

     A. have                    B. am have                     C. am having                 D. is having

     20. He ............................a glass of lemonade before breakfast.

    A. is                 B. have                C. has            D. does

    21. ............................ he ............................ three children?

    A. Does / have         B. Does / has              C. Do / have               D. Is / have

   22. He ............................ television at the moment.

    A. watch                B. watches                 C. is watching              D. is watch

   23. ............................ Huong 10 years old?

    A. is                    B. are                       C. do                    D. does

  24. My classmates ............................ on picnic every month.

    A. went               B. goes                    C. going                 D. go

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