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Một hộp đựng 9 viên bị xanh, 6 viên bi đỏ và 4 viên bi vàng. Hỏi có bao nhiêu cách lấy ra: A, 6 viên bi B, 6 viên bỉtong đó có đúng 2 viên bi vàng C, 6 viên bi trong đó số bi xanh bằng số bi đỏ Help me pls

He.................be a good father but he is a terrible husband A. may B. should C. need D. must 14. .................., you should take part in some programs such as help elderly people, collected used paper A. If possible B. If necessary C. If certain D. If only 15. Aid agencies are still ....................the situation A. assessing B. testing C. estimating D. deducting 16. Three Vietnamese fishermen were rescused after .....................at sea for nine months A. sinking B. drifting C. wandering D. floating 17. A ceremony was held in ........................of the politician who had passed away A. commemoration B. remembrance C. recollection D. tribute 18. With his ................income, he could not support his family A. meager B. scanty C. sparse D. minimum 19. My mother ..................on me whether I snack before meals A. complains B. scolds C. frowns D. chides 20. When Hoang was small, he was a/an...............child who was always asking questions A. intelligent B. inquisite C. naughty D. energetic 21. For years, I have always held the ................that art is for those who are less intelligent but I am wrong A. notion B. idea C. intention D. reason 22. When small, I always ................the events of the day to my grandmother A. retold B. reacted C. recounted D. reported 23. Linh is ....................good role model for her younger brother A. the B. a C. an D. x 24. The rich man owns a ..............of cars A. fleet B. set C. group D. chest 25. “Please ..................up the meat for me” Mrs White told the butcher A. polish B. chop C. wash D. cook

Trình bày suy nghĩ về tình mẫu tử trong cuộc sống của con người

Lãnh tụ vĩ đại nhất nước Việt Nam là ai ? Ai đc ví là mầm non của đất nước? -Nhân ngày 1/6 San chúc các bạn sẽ học giỏi, vui vẻ, hạnh phúc trong cuộc sống nha <3

Cho dạng đúng của động từ 1. Where ___________you (live)____________? I (live)______________in Hai Duong town. 2. What he (do) _________________now? He (water)_________________flowers in the garden. 3. What _______________she (do)_____________? She (be)______________a teacher. 4. Where _________________you (be) from? 5. At the moment, my sisters (play)____________volleyball and my brother (play) ________________soccer. 6. it is 9.00; my family (watch)___________________TV. 7. In the summer, I usually (go)______________to the park with my friends, and in the spring, we (have) _____________Tet Holiday; I (be)________happy because I always (visit) ______________my granparents. 8. ____________your father (go)_____________to work by bus? 9. How ___________your sister (go)___________to school? 10. What time _____________they (get up)_________________? 11. What ____________they (do)________________in the winter? 12. Today, we (have)______________English class. 13. Her favourite subject (be)__________________English. 14. Now, my brother (like)_________________eating bananas. 15. Look! A man (call)_________________you. 16. Keep silent ! I (listen )____________________to the radio. 17. ______________ you (play)_________________badminton now? 18. Everyday, my father (get up)_______________at 5.00 a.m. 19. Every morning, I (watch)_________________tv at 10.00. 20. Everyday, I (go) __________to school by bike. 21. Every morning, my father (have) ______________a cup of coffe. 22. At the moment, I(read)_______________a book and my brother (watch)_______ TV. 23. Hoa (live)________________in Hanoi, and Ha (live)________________in HCM City. 24. Hung and his friend (play)_______________badminton at the present. 25. They usually (get up)___________________at 6. oo in the morning. 26. Ha never (go)___________fishing in the winter but she always (do)________ it in the summer. 27. My teacher (tell)__________________Hoa about Math at the moment. 28. There (be)____________________ animals in the circus. 29. _______________he (watch)______________TV at 7.00 every morning? 30. What _____________she (do ) _________________at 7.00 am? 31. How old _________she (be)? 32. How ___________she (be)? 33. My children (Go)________________to school by bike. 34. We (go)_______________to supermarket to buy some food. 35. Mr. Hien (go)________________on business to Hanoi every month. 36. Ha (like)______________coffee very much, but I (not like)______________it. 37. She (like )________________Tea, but she (not like)____________________coffee. 38. I (love)_______________ cats, but I (not love)__________________dogs. 39. Everyday, I (go)______________to school on foot. 40. Who you _________________(wait) for Nam? – No, I ___________ (wait) for Mr. Hai. 41. My sister (get)______________ dressed and (brush)_______________her teeth herself at 6.30 everyday. 42. Mrs. Smith (not live)_______________in downtown. She (rent)________________in an appartment in the suburb. 43. How _________your children (go)_________________to school everyday? 44. It’s 9 o’clock in the morning. Lien (be)________in her room. She (listen) _______________to music. 45. We_______________________(play) soccer in the yard now. 46. My father (go)___________ to work by bike. Sometimes he(walk)______________. 47. _________You (live)________near a market? _ It (be)____________noisy? 48. Now I (do)__________the cooking while Hoa (listen)_____________to music. 49. At the moment, Nam and his friends (go)_______________shopping at the mall. 50. In the autumn, I rarely (go)_____________sailing and (go)__________to school.

trong hộp có 6 viên bi xanh và 8 viên bi đỏ. ko nhìn vào hộp, hỏi phải lấy ra ít nhất bao nhiêu viên bi để có không ít hơn 3 viên bi xanh và 4 viên bi

9. Complete the sentences a) Only one month ……......... our summer holidays! b) Where ……......... you going this summer ,Phong? c) I'm going ……......... stay at home. d) Because I have to ……......... Vietnamese. e) Where are they going ……......... December? f) I'm preparing ……......... my summer holidays g) I'm going to swim ……......... the sea. h) My parents and I ……......... going to have a holiday in Ha Long Bay next Saturday. i) We are going to stay ……......... a nice hotel by the sea. j) They ……......... going to eat delicious seafood k) My classmates and I are going to have a holiday in Vung Tau ……......... week. l) In the afternoon, we are going to play football ……......... the beach.

vẽ dđậu vui mừng NL: Lên thiên tài r * khóc *

Cho Al2O3 tác dụng vừa đủ với 3.65g dung dịch HCl 10% a, Viết phương trình, mol phản ứng b, Tính khối lượng muối tạo thành c, Tính khối lượng Al2O3 đã phản ứng