câu1 : Cho 3 điểm A(2;1), B(3;5) và C(-1;2) a)Lập phương trình Cạnh AC của tam giác ABC b), Lập phương trình đường trung tuyến CI của tam giác ABC MẤY BẠN ƠI GIÚP MÌNH VỚI các bạn ơi mình cần gấp lắm PLEASE

So sánh : 1. bộ xương ếch và bộ xương thằn lằn 2 .hệ thần kinh của ếch và hệ thần kinh của thằn lằn

Giải giúp mình câu 5,6,7 với ạ!Bài từ thông cảm hứng từ ạ!

Question 16: New Zealand and Australia are both surrounded by the sea. A. Both New Zealand and Australia has sea around it. B. There is no sea around New Zealand and Australia. C. New Zealand and Australia don’t have sea. D. We can’t go swimming in New Zealand and Australia. Question 17: Australians use English as their mother tongue so they are native speakers. A. Australians are native speaker although they use English as their mother tongue. B. Australians are native speaker because they use English as their mother tongue. C. Australians are native speaker though they use English as their mother tongue. D. Australians are native speaker owing to they use English as their mother tongue.

Question 18: My brother ( study)_________ English for 10 years. Question 19: I (not/ write)________ to Lan yesterday. Question 20: My house ( repaint)________ last week.

một xí nghiệp dự định sản xuất 1500 sản phẩm trong 30 ngày . nhưng nhờ tổ chức hợp lí nên thực tế đã sản xuất mỗi ngày vượt 15 sản phẩm . do đó xí nghiệp sản xuất không những vượt mức dự định 225 sản phẩm mà còn hoàn thành trước thời hạn . hỏi thực tế xí nghiệp đã rút ngắn bao nhiêu ngày

13. You look really tired. You _________ take a few days off and have a holiday. a. should b. must c. have to d. can 14. While Amber _______ the tale, her friends were talking about another story. a. narrated b.was narrated c. was narrating d. has narrated 15. The wife of the fisherman was very ___________ when she demanded for bigger and bigger things. a. kind b. generous c. greedy d. fierce

Các bn ơi giúp mình làm 2 bài này với ạ

I. Give the correct form of the verbs in brackets. 1. Lanoften(go) to the Dam Sen Park by bus. 2. Could you (show) us how to get to the supermarket from here? 3. She(eat) in Thuy Ta Restaurant now. 4. Nienalways (send) letters in Nguyen Van Troi Post Office. 5. Hoan (buy) local stamps to send mails tonight. 6. We often (phone) to our parents three times a month. 7. Hien needs (buy) some food so she (go) market today. 8. Huong’d like (take) someaspirins. 9. Miss Thanh (travel) to commercial centre now. 10. What do you like (do) during your vacation? II.Arrange these words to make meaningfulsentences. 1.the / on / right / The / airport / the / is / restaurant. / of / 2.is / shop / opposite / house. / There / our / a / 3. doesit / Howmuch / to / USA? / the / a letter/tosend / cost / 4. Bao Ngan / to / like / send / would / postcards. / some / 5. you / buy / in / What / do / market?/ the/ 6. The / hotel / is / New World / the / to / Pham Hong Thai / bookstore. / right / of / 7. does / How / travel / she / to / LoveValley / Da Lat?/ in / 8. are / They / animals / seeing / the / in / with / zoo./ their friends / 9. always / She / zoo / the / to / goes / on / weekend. / the / 10. visit / I / my / sometimes / friends / school. / after /

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. 5. People are worried about the spread of the covid -19. A. calm B. afraid C. happy D. sad 6. The road is so narrow. We need to enlarge it so that everyone can pass it easily. A. small B. huge C. wide D. far 7. The doctor advised Peter to give up smoking. A. stop B. continue C. finish D. consider 8. Names of people in the book were changed to preserve anonymity. A. presume B. conserve C. cover D. reveal Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions 9. when I am tired, I enjoy listening to music. It’s ________________. A. relax B. relaxing C. relaxed D. relaxation 10. He apologized for the ______________ he had caused. A. convenience B. convenient C. inconvenience D. inconvenient 11. If two people speak the same language, they usually have_________ attitudes and opinions. A similar B. similarity C. similarly D. similarities 12. Mrs Loan is ______________ about her daughter’s lateness. A. regretted B. worried C. thought D. pleased 13. During the rush hour, streets are often crowded_________ people and vehicles. A. for B. of C. in D. with 14. We were ____________ in heavy traffic so we were twenty minutes late. A. crowded B. stuck C. captured D. got 15. Ms Lan enjoys ____________ because she loves working with children. A. to teach B. to be taught C. teaching D. being taught 16. It is such a terrible day that I don’t _______ to go out. A. want B. fancy C. enjoy D. need 17. My father doesn’t allow me _________ in his room. A. to smoke B. smoking C. smoke D. not to smoke 18. I have difficulty ___________ and ______________ English. A. speak –write B. speaking-writing C. to speak- to write D. speaking- write 19. I’d like _____________ when I am sixty years old. A. retire B. retiring C. to retire D. retires 20. We agreed _____ together. A. working B. to work C. worked D. to working 21. I am interested ______ your class. A. to take B. to taking C. in taking D. in took 22 . _____ Peter leave for London? - Two weeks ago. A. Why has B. When did C. Where will D. What did 23: A: “How _____do you go to the countryside?”- B: “Once a year” A. fast B. long C. far D. often 24.A: “ _____novel are you reading?”- B: “Tam's.” A. Who B. Which C. Whose D. that 25: A: “_____ will she spend her summer holidays?”- B: “In Hanoi.” A. When B. Where C. How D. With whom