1 Chỉ ra các lực tác dụng lên vật trong mỗi TH sau :

a, Quyển sách nằm yên trên mặt bàn nằm ngang

b, Quả cầu được treo trên cao bằng lò xo

c, Quả bóng bàn nằm yên trên mặt đất

2. Biết quyển sách , quả cầu , quả bóng ở trên có khối lợng lần lượt là m1=0,5kg , m2=750g , m3=1500g

a, Tính trọng lượng của mỗi vật trên ?

b, Có nhận xét gì về cặp lực tác dụng lên mỗi vật ?

c. Cho biết phương , chiều , độ lớn của các lực trong mỗi TH?

3. Trên mặt trăng các nhà du hành vũ trụ thường di chuyển bằng cách nào ? Tại sao?

4. Thả một hòn bi bằng chì và một tờ giấy từ trên cao xuống , ta thấy hòn bi rơi theo phương thẳng đúng còn tờ giấy ko rơi theo phương thẳng đứng

a, Tại sao?

b, Muốn làm tờ giấy rơi theo phương thẳng đứng thì làm thế nào

c, Hai hòn bi , một làm bằng chì , một làm bằng sắt có cùng kích thước (thể tích) , đượctha rơi tự do ở cùng một độ cao , ở cùng một thời điểm . Viên bi nào rơi xuống trước?

5. Bưởi da xanh là một loại trái cây đậm đà rất bổ dướng . Giá trung bình của loại quả này là 80.000đ/kg . Tính số tiền phải trả khi mua một quả bưởi có trọng lượng 16N

" Đêm tháng năm chưa nằm đã sáng

Ngày tháng mười chưa cười đã tối "

a, Câu tục ngữ trên sử dụng những phép tu từ nào ?

b, Trên cơ sở của phép tu từ vừa tìm được em hãy phân tích nội dung của câu tục ngữ ấy

c, Dựa vào phép tu từ của câu tục ngữ em hãy viết thành một đoạn văn

Complete the second sentence so that it has similar meaning to the first sentence

1. Vinh really loves to hang out with friends

Vinh really enjoys ___________________

2. Playing beach games is very interesting

It is _________________________________

3. It is not a good idea to spend too much time on computer games

It's better to avoid _____________________________________

4. My parents insist me on learning something interesting

My parents wants_______________________________

5. Jenny finds insist reading poetry boring

Jenny dislikes_________________________

1. Put the verbs in the brackets into infinitive (V/to V ) of gerund (V-ing)

1. John dislikes ( wrok) _______________in front of a computer all day

2. I'd like ( visit) ___________the VietNam Museum of Ethnology this weekend

3. I'd rather ( make) ___________crafts than listen to music

4. Minh loves (help) ____________ her parents with DIY projects

5. Quang hates ( take)___________the dog for a walk

6. We all adored (do) ___________aerobics when we were young

7. You should ( play) __________ sports to keep fit

8. They don't need (watch ) ___________that programme if they don't like it

9. Do you fancy ( socialise )__________with friends ?

10. My brother prefers (surf) _________the Net

2. Use the gerund of the verbs in the box to complete the sentences

collect , do , eat , listen , play , ride , take , wash , watch , write

1. My sister enjoys ___________aerobics in the morning

2.Lucia fancies _____________ emails after dinner

3. In his free time , Quang likes ___________ photographs

4. Are you interested in ____________ handball , Peter?

5. Vinh's brother loves ___________foreign coins , doesn't he?

6. David hates _________ a bike to school on rainy days

7. I prefer ____________DVDs to going to the cinema

8. Nam detests _________ the dishes every day

9. We don't mind _______to classical music

10. The Robinsons adore _________ Vietnamese food

Write the activites in the box into the correct column

acting , badminton , cards , chess , climbing , gymnastics , handicrafts , jogging , karate , puzzles , rollerblading , skteboarding , sufing , the guitar , volleyball

While I (do) ............. my homework , my mother (listen)............. to music

Give the corrcet verb form

1. She usually ( go ) .............. to the market in the morning . Look ! She .........................(buy) some meat over there

2. Your mother ( watch) ....................TV now?_No, she ..............................(cook) in the kitchen

3. I (have) ........................ a day off tomorrow . So , I'm free tomorrow

4. - Tell me your plan , Lan . What you ( do) ............................. this Saturday evening?

- I ( visit ) ........................ my grandparents

5. Whare you ( be ) ............................last night? _ I (be) .................. at home and (watch ) ..................TV

6. What the weather (be).......................like yesterday ? _ It ( be ) ...................very hot

7. My father (can) .......................... play football when he ( be )..................15 years old

8. I ( not / enjoy ) ............................. the party last night because it ( be) .................... boring

9. Where she (go) ............... last summer holiday?

10. It( take )........................me two hours to do my homework yesterday

11. .................. your father (buy) .................. you this dictionary 3 days ago?

12. We (not/go).................................camping last Sunday because it ( rain) ..................... heavily

13. Many people (become) ................. homeless after the earthquake in Haiti a few months ago

14. He ( get) ................home late last night so he ( miss ).........(see)..............the new on TV

15. He usually (write ) .................................home when he ( be ) .................... in the army

16. Where you ( go) ..................... for your last summer holiday ?

17. What you ( buy ) ........................ at the grocery yesterday ?

18. What (make) ...............him ( change)...................his mind during the meeting yesterday ?

19. My firend (gather) .................... in the garden for a party last night , they (sing) ........................ and (dance ) ..................... beautifully

20. I ( phone ) ................ you last night , but you (not/ answer )............... the phone

Give the corrcet verb form

1. She usually ( go ) .............. to the market in the morning . Look ! She .........................(buy) some meat over there

2. Your mother ( watch) ....................TV now?_No, she ..............................(cook) in the kitchen

3. I (have) ........................ a day off tomorrow . So , I'm free tomorrow

4. - Tell me your plan , Lan . What you ( do) ............................. this Saturday evening?

- I ( visit ) ........................ my grandparents

5. Whare you ( be ) ............................last night? _ I (be) .................. at home and (watch ) ..................TV

6. What the weather (be).......................like yesterday ? _ It ( be ) ...................very hot

7. My father (can) .......................... play football when he ( be )..................15 years old

8. I ( not / enjoy ) ............................. the party last night because it ( be) .................... boring

9. Where she (go) ............... last summer holiday?

10. It( take )........................me two hours to do my homework yesterday

11. .................. your father (buy) .................. you this dictionary 3 days ago?

12. We (not/go).................................camping last Sunday because it ( rain) ..................... heavily

13. Many people (become) ................. homeless after the earthquake in Haiti a few months ago

14. He ( get) ................home late last night so he ( miss ).........(see)..............the new on TV

15. He usually (write ) .................................home when he ( be ) .................... in the army

16. Where you ( go) ..................... for your last summer holiday ?

17. What you ( buy ) ........................ at the grocery yesterday ?

18. What (make) ...............him ( change)...................his mind during the meeting yesterday ?

19. My firend (gather) .................... in the garden for a party last night , they (sing) ........................ and (dance ) ..................... beautifully

20. I ( phone ) ................ you last night , but you (not/ answer )............... the phone

Some days ago , I (go) .................... to the Spring Fair in HaNoi

Give the corrcet verb form

1. My sister usually ( go ) out with her firends on Sundays , but last Sunday she ( stay ) ............. at home and (watch ).........TV

2.Minh ( be ) ................... absent from school yesterday because he ( have ) ............. an accident

3. I ( meet ) ............ an interesting man when I ( be ) .................... on holiday in Italy

4. At 7.00 o'clock? Oh, I (watch )...............TV then

5. What you ( do ) ........................... at 11 a.m yesterday _I (have)..................... lunch with my family

6. It was a beautiful morning . The sun ( shine) .................and the birds ...................(sing)

7. At this time last week , we (visit) ...................Halong Bay

8. The lady (fall) ................ off the ladder while she (paint).....................the door

9. When I (come).................... home , my mother ( listen)................. to music

10. They (sleep )............... when the thief (break ) ................... in?

11. The chidren (sing) .................. a song when the visitors ( arrive ).....................

12. Just as I (wonder ) .................. what to do next , the phone rang

13. I lit the fire at 6.00 and it (burn ) ........................ brightly when Tom came in at 7.00

14. You looked very busy when I (see) ................ you last night . What you ( do) ..................?

15. He ( clean ).................his gun when it accidentally ( go )................off and (kill) ........... him