Làm ơn đấy giúp mình đi 1h mình phải nộp r đừng làm tắt lướt qua bị ỉa chảy nhớ 😭
1 :cho a vuông góc với b c vuông góc với b CMR a//c 2 : cho a//b c//b CMR : a//c
Người ta rót 24l dầu vào đầy 4 can như nhau.Hỏi nếu rót 144l dầu vào đầy các cán như thế thì cần bao nhiêu cân. Mọi người giúp mình với ạ
Cho 1 mạch phân tử ADN có trình tự: ...5' AXT GGA TXX AXT AGX 3'... °Viết trình tự Nu trên mạch bổ sung, m- ° ARN, trình tự axit amin của protein tương ứng
Viết đoạn văn diễn dịch khoảng 8 đến 10 câu nói về chủ đề:"Vẻ đẹp của thiên nhiên đất nước cần được trân trọng giữ gìn" 👉MÌNH CẦN GẤP TRƯỚC 1H30 CHIỀU NAY👈 Làm xong mình vote 5 sao luôn Cảm ơn trước ạ😘❤ 🚫KHÔNG CHÉP MẠNG!!!🚫
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21. I have _____ money, not enough to buy food * 1 điểm A) much B) a few C) little D) lots of 22. There is _____ water in this bottle * 1 điểm A) few B) many C) any D) little 23. His students _____ German in class * 1 điểm A) speaks B doesn't speak C don't speak D not speak 24. My father often gives me _____ advice when i'm disappointed about the result * 1 điểm A) some packets of B) some bars of C) some pieces of D) some jars of 25. Which word is a plural noun * 1 điểm A) women B) student C) maths D) bacterium 26. I sometimes do not feel _____ when I am at a party * 1 điểm A) comfort B) comfortable C) comfortably D) comforted 27. Student 1 : Thank you for your assistance in taking me home. Student 2 : _____ * 1 điểm A) congratulations ! B) my pleasure C) that sounds fantastic D) I'm afraid I can't 28. Sudent 1 : How are you doing ? Student 2 : ______ * 1 điểm A) not bad B) so far so good C) pretty fair D) all correct 29. My parents normally ______breakfast at 7:00 a.m. * 1 điểm A) eat B) eats C) eating D) to eat 30. He doesn't get up early on Saturdays. He gets up _____ * 1 điểm A) lately B) late C) hardly D) slowly 31. . I have to do this job because I have no _____ * 1 điểm A) choose B) chosen C) choosing D) choice 32. The earth moves around _____ sun * 1 điểm A) a B) an C) the D) one 33. It’s important to brush your _____ twice times a day * 1 điểm A) tooth B) teeth C) tooths D) teeths 34. Would you like to take a/an _____ * 1 điểm A) photo B) photos C) pictures D) portraits 35. Which word is an uncountable noun ? * 1 điểm A) salad dressing B) song C) hour D) a jar of jam 36. During his _____, his family lived in the United State * 1 điểm A) child B) childish C) childhood D) childlike 37. The custom was said to be a matter of _____ * 1 điểm A) convenient B) convenience C) convene D) conveniently 38. We should keep the school yard _____ * 1 điểm A) clean B) cleaning C) cleanly D) cleaner 39. The _____ between Vietnam and China is good. * 1 điểm A) friends B) friendly C) friendliness D) friendship 40. The garden is _____ with trees and flowers * 1 điểm A) beautiful B) beautify C) beauty D) beautifully
2a+b+c+d/a=a+2b+c+d/b=a+b+2c+d/c=a+b+c+2d/d Tính M biết :M=a+b/c+d+b+c/d+a+c+d/a+b+d+a/b+c giúp mik nha
B = 2x^2 + x - 1 / x + 2 Tìm x thuộc Z để B là số nguyên
1. If you wanna know the news, you can read _______ paper. * 1 điểm A) some B) a C) an D) the 2. My son often eats _______ chocolate before lunch * 1 điểm A) a barrel of B) a game of C) a glass of D) a bar of 3. Bill never gets up before 9 o’clock. It’s 8.30 now, so he is still _____ * 1 điểm A) in bed B) awake C) at school D) all correct 4. She _____ homework every evening * 1 điểm A) does B) do C) is doing D) did 5. _____they students in class 10a1 ? * 1 điểm A) Do B) Have C) Are D) Will 6. He plays basketball very _____ * 1 điểm A) well B) good C) bad D) beautiful 7. I'm _____ third-year student in Internal Auditing * 1 điểm A) a B) the C) an D) A&B correct 8. John cannot make a ______to get married to Mary * 1 điểm A) decide B) decision C) decisive D) decisively 9. Bui Tien Dung am a famous goalkeeper in the _____ Football Team * 1 điểm A) nation B) nationally C) national D) nations 10. we're capable _____ helping you with this problem * 1 điểm A) in B) of C) with D) about 11. Is she eligible _____ enter the competition ? * 1 điểm A) at B) for C) with D) to 12. He can buy everything because he has _____ money * 1 điểm A) a B) the C) many D) a lot of 13. Which word is pronounced differently from the others * 1 điểm A) books B) shops C) photos D) hats 14. Which word is a countable noun * 1 điểm A) butter B) packet of tea C) bread D) air 15. Which word is pronounced differently from the others * 1 điểm A) boxes B) birds C) pens D) rows 16. Why are there _____ people in his house ? * 1 điểm A) little B) any C) much D) many 17. She _____ eats meat and fish. She is a vegan * 1 điểm A) always B) rarely C) never D) occasionally 18. We'd like to live by _____ sea * 1 điểm A) the B) a C) an D) no article 19. They had _____ dinner in a restaurant * 1 điểm A) a B) an C) the D) no article 20. Life here is very ____ * 1 điểm A) peace B) peaceful C) peacefully D) peacefulness
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