Một con ngựa kéo một cái xe đi đều với vận tốc 9km/h. Lực kéo của con ngựa là 200N. a. Tính công suất của con ngựa. b. Chứng minh rằng P= F.v

Fill in the blanks with suitable words to complete the passage. windsurfing beach island happy hotel friends fruit vacation car food Dear Karen, Hi, there! My (1) ………………. was great! I visited my (2) …………… in Puerto Rico. I stayed at a nice (3) …………… near a beautiful (4) ……………… We rented a (5) …………… and traveled around the (6) ……………… I tried to learn (7) ……………………, but it was difficult. I enjoyed the (8) ………………. And really loved the fresh (9) ……………… I talked to a lot of local people there. I’m really (10) …………… See you soon! Loves, Ken VIII. Fill in the blanks with suitable prepositions to complete the sentences: Ex: I get up at 6 o’clock every morning. 1. Do you go to school ……… foot or ……… bike? 2. My house is ……… Le Loi Street, her house is ……… 19 Le Lai Street. 3. We are living ……… our parents ……… Ho Chi Minh City. 4. She is interested ……… Literature and English. 5. My birthday is ……… 29 th February, my mother’s birthday is ……… August. 6. Vegetables are very good ……… your health. 7. I received the letter ……… your aunt last week. 8. He wrote a letter ……… his mother last week. 9. These books cost ……… $100. 10. They are playing video games ……… the moment. IX. Rewrite the sentences without changing the first meaning: 1. Let’s go to the movie theater.  What about ………………………………………………………………………..? 2. The film is very interesting.  What ……………………………………………………………………………….! 3. Sam’s hair is longer than my hair.  My hair ……………………………………………………………………………. 4. The meal was really delicious.  What ……………………………………………………………………………….! 5. Why don’t we go camping this Sunday?  Would ……………………………………………………………………………..? 6. His house is cheaper than our apartment.  Our apartment ………………………………………………………………………

IV. Give the correct form of verbs given. 1. They (join) ………………. the English competition last week. 2. Lan’s sister usually (get) ……………… up at 6 o’clock in the morning. 3. What time …………… your mother (cook) ……………… for dinner yesterday? 4. What ……… they (do) …………… now? – They (clean) …………………… their car. 5. Mai (not go) ……………………. to the supermarket next morning. 6. It (rain) ………………… heavily now. You should (stay) ………… at home and (read) ………… books. 7. She (be) ……………… fourteen on her next birthday. 8. I (mail) ………………… this letter tomorrow. 9. He (phone) ……………… his parents three or four times a week. 10. Hoa (not visit) …………………… the museum with her class last Sunday. 11. …………… (be) you at Paul’s party last night? 12. Listen! The birds (sing) ………………… 13. Could you (show) ……………… me the way to the bank? 14. He (be) …………… never late for school. 15. We (buy) ……………… her a lot of gift for her last birthday. V. Supply the correct form of the words given. 1. Driving too fast is very ……………………. DANGER 2. The ……………… fish in the aquarium are the most beautiful. COLOR 3. Please listen ……………… to the teacher. CAREFUL 4. Quang Hai is a …………… football player. SKILL 5. Minh is not ……………… SPORT 6. There is a restaurant, a clinic and a hospital in my …………………… NEIGHBOR VI. Make questions for the underlined words. 1. Nam is doing his homework. ..........................................................................................................................? 2. My father traveled to Tokyo by plane. ..........................................................................................................................? 3. Hoa and Mai will come here tomorrow evening. ..........................................................................................................................? 4. My mother was in Da Nang last week. ..........................................................................................................................? 5. Lan left home at 6.30 yesterday morning. ..........................................................................................................................? 6. Hoa bought a cap and a poster at the souvenir shop. ..........................................................................................................................? 7. Mr. Pike teaches me English this year. ..........................................................................................................................? 8. My new skirt is black. ..........................................................................................................................? 9. Mai will stay in Hue for five days. ..........................................................................................................................? 10. Nam went to Hanoi with his family on summer vacation. ..........................................................................................................................?

(-15)+23+(-25)+(-23) Giúp mình vs ạ

Mn ơi giúp mk 2 bài này vs cảm ơn các bn nhiều nhiều

III. Choose the best answer (A, B, C or D). 1. My aunt takes care the people when they are sick. She is a ………… a. dressmaker b. hairdresser c. teacher d. doctor 2. Mai bought the material and made a ………. for herself. a. souvenir b. dress c. coming d. to come 3. Minh is the ………… student in my class. a. more high b. highest       c. higher d. most high 4. My brother likes …………. at the weekend. a. go swimming b. going swim       c. goes swimming        d. going swimming 5. Alex’s mother works 12 hours a day. Sam’s mother works 8 hours a day Sam’s mother works ………… hours than Alex’s mother. a. fewer          b. less c. more          d. most 6. This book is …………… than that film. a. interestinger b. most interesting       c. more interesting    d. interestingest 7. Students often talk together at …………. a. present b. holiday c. recess d. vacation 8. …………… to join the party with us? – I’d love to. a. Do you like b. What about c. Why don’t you d. Would you like 9. Reading books is her favorite …………. a. subject b. pastime c. action d. housework 10. The summer vacation …………. for almost three months. a. gets b. spends c. lasts d. finishes 11. ……………. your friend at the airport tomorrow? a. Will you meet b. Do you meeting c. Are you meet d. You meet 12. The post office is …………… the bank and the shoe store. a. among b. in front of c. next d. between 13. Keep silent! The baby …………… a. sleeping b. sleeps c. is sleeping d. sleep 14. Minh is always late for school, he ought …………… up late. a. to not stay b. not to stay c. not stay d. not to staying 15. Hoang is very good ………… Math and English. a. in b. of c. at d.

giúp mình câu 14,18,19 vs mh cần gấp

Bài thơ"khi con tu hú"của Tố Hữu đã thể hiện sâu sắc tình yêu thiên nhiên , yêu cuộc sống và niềm khao khát tự do cháy bỏng của người chiến sĩ cách mạng trong cảnh tù đầy . Qua bài thơ em làm sáng tỏ nhận xét trên

tại sao khi nghiên cứu một đối tượng cụ thể cần tuân thủ nguyên tắc toàn diện

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