độ dài đoạn thẳng AB là:

6x2=12(cm)

Độ dài đoạn thẳng MA là:

MA=BM=AB/2=12:2=6(cm)

có vì điểm I nằm giữa đoạn thẳng MA và AI=MI

thời gian người thứ 2 làm 3/5 công việc còn lại mất là:

6-4=2(giờ)

ĐS:2 giờ

x/20=7/10+-13/20

x/20=14/20+-13/20

x/20=1/20

x=1

mình thiếu

bổ sung:

E=0:3

E=0

E=-1/3+1/3^2-1/3^3+1/3^4-...+1/3^50-1/3^51

3E=-1+1^2-1^3+1^4-1^5+...+1^50-1^51

3E=-1+1-1+1-1+...+1-1

3E=0

số học sinh khá lớp 6A là:

40x3/5=24(hs)

số học sinh giỏi lớp 6A là:

40x1/4=10(hs)

số học sinh trung bình lớp 6A là:

40-(24+10)=6(hs)

ĐS:6 hs

Name: ……………………….                    EXERCISES FOR UNIT 7, 8, 9 - ENGLISH 6

I. Choose the word that has the underlined part pronounced differently from the others.

1.   A. birthday                      B. month                    C. although                            D. worth

2.   A. then                             B. think                      C. them                                  D. their

3.   A. where                          B. there                      C. here                                    D. helmet

4.   A. holiday                                   B. pagoda                   C. photo                                 D. postcard

5.   A. rice                              B. fine                        C. light                                   D. capital

II. Choose the word whose main stress is placed differently from the others.

1.   A. badminton                  B. cathedral               C. volleyball                         D. aerobics

2.   A. cartoon                                   B. landmark               C. running                              D. tennis

3.   A. different                     B. important              C. impressive                                    D. attractive

4.   A. fantastic                      B. popular                  C. expensive                         D. difficult

5.   A. programme                 B. career                    C. palace                                D. dolphin

III. Choose the best answer

1. You will need a good _________ to play tennis. (rope/ ball/ racket/ basket)

2. When you go swimming, you should wear__to protect your eyes. (goggles/ pedals/ skis/ sport shoes)

3. Eiffel Tower is a famous ____________ in Paris. (architecture/ creature/ landmark/ city)

4. Minh likes _____ weather because he can go swimming in the river. (cold/ hot/ rainy/ snowy)

5. Ho Chi Minh City is famous for its ______. It’s so delicious. (city/ floating markets/ food/ landmarks)

6. Visitors often visit my hometown because it’s peaceful. (quiet/ silent/ boring/ noisy) (Antonym)

7. It’s interesting to play a football match. (exciting/ boring/ helpful/ crowded) (Synonym)

8. “You won for the first prize of English speaking contest. Congratulations!” – “ __________” (Thank you/ Are you OK?/ Nice to meet you/ You’re welcome)

9. “ ____is your favourite tennis player?” – “I don’t like tennis.” (Which/ Where/ Who/ What)

10. My mother _________ to work yesterday. (didn’t went/ didn’t go/ doesn’t go/ went)

11. What _________ Jack and Jim _________ last weekend? (do-do/ does-do/ did-do/ did-did)

12. Our school football team ______ the match with Nguyen Du school last Saturday. (wins/ win/ is winning/ won)

13. What kind of music _____________ to? (often does he listen/ does often he listen/ does he often listen/ often he does listen)

14. My brother likes watching TV______I like going out with my friends. (and/ but/ because/ so)

15. Some game shows are popular, _____ I never watch them. (and/ but/ so/ because)

16. ____ out at night. (Go/ Going/ Not go/ Don’t go)

17. It’s very hot, ____ the door, please! (to open/ Opening/ Opened/ Open)

18. I have a new book. It’s ______. (my/ mine/ your/ yours)

19. _____ bike is dirty, and I can’t tell what colour it is. (Your/ Yours/ You/ Mine)

20. _____ dog is friendly. It never barks. (Their/ Theirs/ They/ Them)

IV. Choose the underlined word of phrases (A,B,C,D) that needs correcting.

1. What (A) is (B) a (C) beautiful statue (D)!

2. “How (A) is she so sad (B)?” – “Because she can’t (C) watch (D) her favourite film.”

3. “When (A) do you often do (B) after school?” – “I play (C) badminton after (D) school.”

4. We play (A) many games (B) at (C) the park (D) yesterday.

5. Did (A) you watched (B) the TV show (C) last night (D)?

V. Supply the correct form of the verbs in brackets

1. My neighbor (buy) ……………. a new car last week.

2. My family and I (see) …………. a comedy last night.

3. What ……… you (usually do) ………. at break time?

4.  Linda and Mary (watch) ……………TV now.

5. What ……… you (do) …………… yesterday?

VI. Rewrite the following sentences with the words given.

1. Nga likes table tennis the most.

è Nga’s favourite ……………………………………………

2. Your mother doesn’t want you to go out at night.

è She says: “…………………………………………….….”

3. The building is very expensive.

è What ……………………………………….…………….!

4. Jack wants to get good marks, so he studies hard.

è Because……..………………………………….………….

5. Students mustn’t be late for school.

è Don’t ……………………………………………………….

VII. Make the questions for the underlined.

1. Peter and Mike are playing chess.

è ………………………………………………….

2. Mrs. Robinson bought a poster.

è ………………………………………………….

3. My father usually watches TV in the evening.

è ………………………………………………….

4. I can speak 4 languages.

è ………………………………………………….

5. They do not have a TV because it was too expensive

è ………………………………………………….

6. Jack is in the room.

è ………………………………………………….

VIII. Rewrite the sentences using the words in brackets.

1. Because Mai is sick, she cannot go to school today. (so)

è ………………………………………………….

2. The weather is very nice. (What)

è ………………………………………………….

3. My mother has a white dress. (hers)

è ………………………………………………….

4. The question is difficult. (a)

è ………………………………………………….

5. Students mustn’t talk in class. (Don’t)

è ………………………………………………….

IX. Write topics

1. Write a short paragraph (50 words) about the sport/ game you like best.

2. Write a short paragraph (50 words) about the programme you like best.

X. Read the passage and use the words from the box to fill the gaps.

   Paris is my (1)_______ city. It is the (2)_____ city of France. It is very well-known as the City of Light. It is located on the Seine River. It covers an area of 105.4 (3)______________. You can see many fascinating things and sights in Paris. The most popular (4)______ is Eiffel tower. In Paris, you will find many shopping areas. One of the famous shopping areas is Mont Mart. It has a lot of wine shops, bakeries, clothing shops, (5)________ , etc.

the building is very epensive

=>what.....................................!