Tính số thích hợp điền vào ô trống từ trái sang phải lần lượt là 24,87; 50,77.

Đáp án B

Tính theo thứ tự từ trái sang phải ta được:

12 , 74 + 5 , 26 = 18 18 × 4 = 72

Vậy các số cần điền vào ô trống lần lượt từ trái sang phải là 18; 72.

Đáp án B

Choose the best answer to fill in the blank.

(Chọn đáp án đúng nhất điền vào chỗ trống.)

1.

What kinds of traditional Vietnamese ________ art do you know?

A. performanceB. performC. puppeteerD. anthem

2.

The _________ were supported by strings under the water.

A. sculpturesB. songwritersC. composersD. puppets

3.

“Xẩm” or “Hát Xẩm” (Xam singing) is a type of Vietnamese __________.

A. modern musicB. folk musicC. country musicD. classical music

4.

Maths, Literature and English are __________ subjects at high schools in Vietnam.

A. non-essential B. core C. rural D. new

5.

Hat quan ho, also called Quan ho Bac Ninh singing, __________ around the 13th century.

A. composesB. perform C. rural D. originated

6.

The ___________ also perform in a pool of water but behind a curtain.

A. sculptureB. songwritersC. puppeteersD. composers

7.

It is _________ to learn Maths at primary schools in Vietnam.

A. dedicateB. emotionalC. melodicD. compulsory

8.

He can play ________ and sing at the same time.

A. drumsB. celloC. microphoneD. photography

9.

I love ___________ because I enjoy taking photos of everything around me.

A. celloB. photographyC. poemD. curriculum

10.

He can play many _________ such as piano, guitar and violin.

A. subjectsB. performancesC. exhibitionsD. musical instruments

11.

I don't want to stay at home; I want to watch that show __________.

A. by personB. to personC. in personD. at person

12.

To play the _________, you have to know how to control the air through your mouth.

A. celloB. pianoC. saxophoneD. guitar

TL:

Hiệu của 62 và 2 là: 62-2=60

HT

62 - 2 = 60

TL

HIỆU CỦA 62 VÀ 2 LÀ : 62 - 2 = 60

HT

@@@@@

C : 4

Ta có: \(\dfrac{2}{5}=\dfrac{a}{10}\) \(\Leftrightarrow\dfrac{4}{10}=\dfrac{a}{10}\) \(\Rightarrow a=4\)

-> C: 4

C. x = 4

 V. Chọn đáp án đúng để điền vào chỗ trống trong các câu sau.

1. She is ....... singer I’ve ever met.

A. worse                     B. bad                                     C. the worst               D. badly

2. Mary is ....... responsible as Peter.

A. more                      B. the most                            C. much                      D. as

3. It is ....... in the city than it is in the country.

A. noisily                   B. more noisier                     C. noisier                   D. noisy

4. She sings ……….. among the singers I have known.

A. the most beautiful           B. the more beautiful        C. the most beautifully    D. the more beautifully

5. She is ....... student in my class.

A. most hard-working                                             B. more hard-working        

C. the most hard-working                                       D. as hard-working

6. The English test was ....... than I thought it would be.

A. the easier              B. more easy                          C. easiest                   D. easier

7. English is thought to be ....... than Math.

A. harder                    B. the more hard                   C. hardest                  D. the hardest

8. Jupiter is ....... planet in the solar system.

A. the biggest            B. the bigger                          C. bigger                    D. biggest

9. She runs …… in my class.

A. the slowest           B. the most slow                    C. the slowly              D. the most slowly

10. My house is ....... hers.

A. cheap than            B. cheaper                             C. more cheap than     D. cheaper than

11. Her office is ....... away than mine.

A. father                     B . more far                           C. farther                   D. farer

12. Tom is ....... than David.

A. handsome              B. the more handsome        C. more handsome      D. the most handsome

13. He did the test ……….. I did.

A. as bad as               B. badder than                      C. more badly than     D. worse than

14. A boat is ....... than a plane.

A. slower                   B. slowest                              C. more slow             D. more slower

15. My new sofa is ....... than the old one.

A. more comfortable       B. comfortably       C. more comfortabler          D. comfortable

16. My sister dances ……….. than me.

A. gooder                   B. weller                               C. better                     D. more good

17. My bedroom is ....... room in my house.

A. tidier than             B. the tidiest                         C. the most tidy          D. more tidier

18. This road is ....... than that road.

A. narrower               B. narrow                   C. the most narrow                 D. more narrower

19. He drives ……. his brother.

A. more careful than         B. more carefully     C. more carefully than      D. as careful as

20. It was ....... day of the year.

A. the colder                         B. the coldest            C. coldest                   D. colder

1C/2D/3C/4A/5C/6D/7A/8A/9A/10D/11C/12C/13D/14A/15A/16C/17B/18A/19A/20B

Nếu sai thì thông cảm

441200 cho tròn 100 điểm nha

=441200

100% đúng

1000.450 - 200.44

= 450000 - 8800

= 441200

Bài 2: Chọn đáp án đúng để điền vào chỗ trống trong các câu sau.

1. She is ....... singer I’ve ever met.

A. worse                     B. bad                                     C. the worst               D. badly

2. Mary is ....... responsible as Peter.

A. more                      B. the most                            C. much                      D. as

3. It is ....... in the city than it is in the country.

A. noisily                   B. more noisier                     C. noisier                   D. noisy

4. She sings ……….. among the singers I have known.

A. the most beautiful                                              B. the more beautiful

C. the most beautifully                                           D. the more beautifully

5. She is ....... student in my class.

A. most hard-working                                             B. more hard-working        

7. English is thought to be ....... than Math.

A. harder                    B. the more hard                   C. hardest                  D. the hardest

8. Jupiter is ....... planet in the solar system.

A. the biggest            B. the bigger                          C. bigger                    D. biggest

9. She runs …… in my class.

A. the slowest           B. the most slow                    C. the slowly              D. the most slowly

10. My house is ....... hers.

A. cheap than            B. cheaper                             C. more cheap than     D. cheaper than

11. Her office is ....... away than mine.

A. father                     B . more far                           C. farther                   D. farer

13. Tom is ....... than David.

A. handsome                                                            B. the more handsome        

C. more handsome                                                   D. the most handsome

14. Tom is ....... than David.

A. handsome                                                            B. the more handsome        

C. more handsome                                                   D. the most handsome

15. He did the test ……….. I did.

A. as bad as               B. badder than                      C. more badly than     D. worse than

16. A boat is ....... than a plane.

A. slower                   B. slowest                              C. more slow             D. more slower

17. My new sofa is ....... than the old one.

A. more comfortable                                                B. comfortably         

C. more comfortabler                                              D. comfortable

18. My sister dances ……….. than me.

A. gooder                   B. weller                               C. better                     D. more good

19. My bedroom is ....... room in my house.

A. tidier than                                                            B. the tidiest                         

C. the most tidy                                                       D. more tidier

20. This road is ....... than that road.

A. narrower               B. narrow                   C. the most narrow                 D. more narrower

21. He drives ……. his brother.

A. more careful than                                    B. more carefully

C. more carefully than                                 D. as careful as

Đáp án: A

Chùm sáng phân kỳ gồm các tia sáng loe rộng ra trên đường truyền của chúng.