Mik trình bày trong hình
gửi bạn-.-
Giải giúp mk với các chuyên gia. Nếu mn k nhìn rõ thì bảo mk, mk sẽ chụp lại nha
VII. Read the following text and decide which answer best fits each numbered blank. Although computers can be used as a tool to spread awareness about problems in the environment, they cause (61) ___________ of environmental problems themselves. Pollution caused by the production of computer (62) ___________, as well as from the cleaning agents used to clean computers, is (63) ___________ great hazard to the environment and the people that live in it. People leave (64) ___________ computers on nonstop resulting in a lot of energy consumption and enormous amounts of paper are (65) ___________ used daily to print out electronically stored data. It causes health problems as well as (66) ___________ problems and is in urgent need of treatment. Use computer only when needed. If we all shut (67) ___________ our computers at night the energy savings could light the Eiffel Tower 24 hours a day for 720 years. The increased (68) ___________ of computers in the workplace has brought about the development of a number of health concerns. Many individuals who (69) ___________ at a computer report a high level of job-related complaints and symptoms, including ocular discomfort, muscular strain and stress. The (70) ___________ of discomfort appears to increase with the amount of computer use. 61. A. a lot B. lot C. many D. much 62. A. software B. hardware C. glassware D. footwear 63. A. a B. an C. the D. x 64. A. they B. them C. their D. theirs 65. A. be B. to be C. being D. been 66. A. economic B. economy C. economics D. economize 67. A. up B. down C. on D. under 68. A. used B. to use C. to be used D. use 69. A. working B. work C. works D. to works 70. A. area B. range C. level D. size
Tìm khoảng đơn địu của các hàm số y=-x⁴/4+4x²-1
VI. Read the following text and use the words given in the box to fill in the blanks. arrange invented later first on instead from was crossword horizontal Arthur Wynne’s first crossword puzzle was initially called word- cross and was diamond- shaped. The name (51) ___________ switched to dropped, and the name became (52) ___________. Wynne based his crossword puzzle (53) ___________ a similar but much older game played in ancient Pompeii that translated (54) ___________ Latin to English was called Magic Squares. In Magic Squares, the player is given a group of words and has to (55) ___________ them on a grid so that the words read the same way across and down. A crossword puzzle is very similar, except (56) ___________ of being given the words the player is given clues. Arthur Wynne added other innovations to the crossword puzzle. While the first puzzle was diamond- shaped, he later invented (57) ___________ and vertical shaped puzzles; and Wynne (58) ___________ the use of adding blank black squares to a crossword puzzle. The crossword puzzle in a British publication (59) ___________ published in Pearson’s Magazine in February 1922. The (60) ___________ New York Times crossword was published on February 1, 1930.
MN CHUYÊN TOÁN GIÚP EM VS Ạ EM ĐANG CẦN GẤP Bài 1: Cho góc xOy = 140 độ, Oz là tia phân giác của góc đó, lấy điểm M ∈ Õ vẽ tia Mn nằm trong góc xOy sao cho góc OMn = 40 độ. a, Chứng tỏ rằng Oy song song với Mn. b, Gọi Mn' là tia đối của tia Mn và Mt là tia phân giác của góc OMn'. Chứng tỏ Oz song song với Mt. Bài 2: Cho đường thẳng cắt xx' và yy' tại 2 điểm A và B. Sao cho góc xAB và ABy' so le trong và bằng nhau gọi là At và Bt' lần lượt là tia phân giác của góc xAB và góc ABy'. Chứng tỏ: a, xx' song song với yy'. b, At song song với Bt'.
Giúp Hậu nha hì hì .. cám ơn mấy cậu nhenn Nhớ giải ra từng bước.. chứ em mới lên 11 à
Thống kê tên triều đại,tên nước,tên kinh đô,nơi đóng đô của nước ta từ thế kỉ X-XIX
Lm hộ vs cần gấp mik sẽ vote5* và câu trả lời đúng nhất 🙃
evening/are/Thuy/you/how/Miss/good.
Vẽ giùm mình anime nữ ngầu nhé
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