Trên cùng một nửa mặt phẳng bờ chứa tia Ox, vẽ các tia Oy, Oz sao cho (xOy) ̂= 40O, (xOz) ̂= 150O. a) Tính số đo của góc (yOz) ̂. b) Kể tên góc nhọn, góc tù trên hình. Giúp mik câu này vs. Trình bày lời giải và hình giúp mik luôn nha ( nếu được )

Fill in the blanks with the correct tense for each verb. 1. Lee Berger ..................... (1, dig) for fossils for 17 years when he.................... (4, realise) he was looking ............................... (3, look) in the wrong place.

Bài 1: Cho nửa đường tròn (O; R) đường kính AB, bán kính OCI AB. Gọi M là điểm di động trên cung BC, AM cắt OC tại N a) chứng minh tích AM. AN không đổi b) Vẽ DC 1 AM. chứng minh tứ giác MNOB, AODC nội tiếp.

1. (There/That/This/It) is not very fat from here to the harbour 2. She's sure that they will find the film (entertain/entertaining/entertainment/entertained) 3. (In spite/Although/Despite/Nevertheless) being frightened by the images, Lan still liked the films so much 4. My father loved (taking/playing/doing/going) - riding when he was young 5. My father hates (drink/to drink/drinks/drinking). He prefers tea

1."I will clean all the class windows, "Trung said -Trung said... 2"we can come next Monday",Mr and Mrs Bruce said -Mr and Mrs Bruce said.. 3.She said to me, "They do not know you' -She told.. 4.I said to her, "Jim is driving his car today" - I told.... 5.Minh said to me, "I won't be home his evening because I have to work late" -Minh told me... 6.I said to nam, "there isn't any milk in this bottlle" -I said to Nam... 7."I may visit you tomorrow, " Mai said to Tuan. -Mai told... 8."I have helped my morther with the housework, "he said -He said...

V. Use the correct form of the word given in each sentence. (1.5 pts) 21. In his _______ , there is a drugstore, a bookshop and two bakeries. (neighbor) 22. There are many _______ parks near our house. (beauty) 23. My parents are teachers and they _______ Math at a secondary school. (teacher) 24. Mr. David and Mr. John are _______. They are going to New York to have a meeting. (business) Phần trả lời: 21. __________________ 22. __________________ 23. __________________ 24. __________________ 25. __________________ 26. ___________________

Many girls and women ..... aerobics to keep fit. A. go B. play C. do D. learn

Giúp em vs Em cảm ơn trước ạ

Một vật có trọng lượng 1N có động năng là 1J. Lấy g = 10m/s 2 . Khi đó vận tốc của vật là

Hãy mô tả các TN về nở vì nhiệt của chất rắn, lỏng, khí .