Quãng đường AB dài 214,5 km. Hai ô tô khởi hành một lúc từ A tới B. Mỗi giờ xe thứ nhất đi nhanh hơn xe thứ hai 4 km nên đến B trước xe thứ hai 1,5 giờ. Tính vận tốc mỗi xe.

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cs gth 9. I don’t see any________ in arriving early at the theatre. A. cause B. point C. reason D. aim 11. _______ we have finished the course, we shall start doing more revision work. A. For now B. Now that C. Ever since D. By now

THE BURLINGTON MUSEUM The Burlington Museum was recently re-opened after an extensive development programme that aims to make the collections (51) ______ there more appealing to a wider public. The Museum's fine collections can now be seen in more inspiring (52) ______, and exhibitions include a wide range of innovative displays which allow visitors to make use of the latest interactive information technology. The Museum also (53) ______ an excellent new education centre and art room, as well as a gift shop. Finally, ramps and wider doorways offer improved (54) ______ for the disabled and people with limited mobility. The Museum worked closely with community groups to achieve its goals. One of the (55) ______ of this collaboration is a Buddhist shrine created with the assistance and advice of the local Buddhist community. A priest (56) ______ this significant exhibition and more than two hundred people of different faiths attended the event. 51. A. set B. placed C. housed D. homed 52. A. backgrounds B. contexts C. frameworks D. circumstances 53. A. boasts B. prides C. scores D. acquires 54. A. entrance B. access C. admission D. admittance 55. A. effects B. outputs C. fruits D. benefits 56. A. installed B. presided C. commenced D. inaugurated

Giúp mình ý c cho 5 sao hay nhất

tìm m để pt có x^2-4x+m=0 có 2 nghiệm phân biệt x1^3-x2^3=x1^2-x2^2 hứa cho 5 sao và ctlhn

Đề : Chia các động từ sau ở thì hiện tại đơn 1. He……………….(play) computer games in the afternoon. 2. She ……………..(watch) T.V every day. 3. My mum………………..(like) cooking meals for the family. 4. My dog…………………..(sleep) in my bedroom. 5. I……………………..(love) eating pizzas. 6. My sister …………………(dance) very well.

Giúp mik bài này nhé cảm ơn mn!

a)Một người đứng tại tâm một căn phòng hình tròn.Hãy tính bán kính lớn nhất của phòng để không nghe tiếng vang b)Làm lại câu a nếu người ấy đứng ở mép tường

5. He always ______ the crossword in the newspaper before breakfast. A. writes B. makes C. does D. works 6. I know her _______ sight, but I’ve never talked to her. A. in B. at C. on D. by