Một người mắc bòng đèn xung quanh một khung khẩu hiêu hình chữ nhật dài 3m, rộng 1m, cứ cách nhau 50m thì mắc một bóng đèn. Mỗi bóng đèn giá 1500 đồng. Hỏi mua hết bao nhiêu tiền bóng đèn?

vẽ anime, chibi cute xíu yc: đẹp, full line, màu, ko ooly, kẻ ngang nl: dưới

Giúp mk với đi mà VOTE 5* + Hay Nhất!

Viết các tập hợp sau bằng cách chi ra tính chất đặc trưng của các phần tử tập hợp đó F={10;11;12;…98;99} E={1;2;3;4}

cách đây 8 năm tuổi mẹ gấp 7 lần tuổi con hiện nay tuổi mẹ gấp 3 lần tuổi con tính tuổi mỗi người hiện nay

Calli : Lag Hoặc vẽ chibi ngơ ngác ( ko mầm ạ ) NL : thi thoảng trl câu hỏi xong á, mà vừa ấn nút nộp thôi đã thấy mk bị báo cáo rồi ( kiểu vừa ấn xong nút nộp đc 1 giây đã bị bc ), thế là sao .-?

Mọi người giúp em bài này với ạ em học lớp 8 em cần gấp ngay bây giờ ạ

Giúp mình bài này với cảm ơn nhiều

Hãy giải thích ý nghĩa của câu tục ngữ "Thất bại là mẹ thành công" (Không chép mạng)

TIếp tục nha Bê đê nào xong trước cũng có thưởng Research has found that over half the children in Britain who take their own lunch to school do not eat (1) ......... in the middle of the day. In Britain schools have to (2) ......... meals at lunchtime. Children can (3) ......... to bring their own food or have lunch at the school canteen. One shocking finding of this research is that school meals are (4) ......... healthier than lunch prepared by parents. There are strict standards for the preparation of school meals, which have to include one portion of fruit and one of vegetables, as well as meat, a dairy item and starchy food like bread or pasta. Lunchboxes (5) ......... by researchers contained sweet drinks, crisps and chocolate bars. Children consume twice as much sugar (6) ......... they should at lunchtime. The research will provide a better understanding of why the percentage of overweight students in Britain has (7) ....... in the last decade. Unfortunately, the government cannot criticize parents, but it can remind them of the (8) ....... value of milk, fruit and vegetables. Small changes in their children’s diet can (9) ...... their future health. Children can easily develop bad eating (10) ...... at this age, and parents are the only ones who can prevent it. 1. A. appropriately B. properly C. probably D. possibly 2. A. give B. provide C. make D. do 3. A. prefer B. manage C. want D. choose 4. A. many B. much C. more D. less 5. A. examined B. found C. taken D. investigated 6. A. so B. than C. as D. such 7. A. increased B. expanded C. extended D. added 8. A. positive B. healthy C. nutritional D. good 9. A. damage B. predict C. destroy D. affect 10. A. behaviours B. styles C. attitudes D. habits X. Read the passage below and choose the best answer to each question. Although speech is the most advanced form of communication, there are many ways of communicating without using speech. Signals, signs, symbols, and gestures may be found in every known culture. The main function of a signal is to impinge upon the environment in such a way that it attracts attention, as for example, the dots and dashes of a telegraph circuit. Coded to refer to speech, the potential for communication is very great. Less adaptable to the codification of words, signs also contain meaning in and of themselves. A stop sign or a barber pole conveys meaning quickly and more difficult to describe than either signals or signs because of their intricate relationship with the receiver’s cultural perceptions. In some cultures, applauding in a theatre provides performers with an auditory symbol of approval. Gestures such as waving and handshaking also communicate certain cultural messages. Although signals, signs, symbols, and gestures are very useful, they do have a major disadvantage. They usually do not allow ideas to be shared without the sender being directly adjacent to the receiver. As a result, means of communication intended to be used for long distances and extended periods are based on speech. Radio, television, and the telephone are only a few. 1. Which of the following would be the best title for the passage? A. Signs, Signals, and Symbols B. Gestures C. Communication D. Speech 2. What does the author say about speech? A. That it is the only true form of communication. B. That it is dependent upon the advances made by inventors. C. That it is necessary for communication to occur. D. That it is the most advanced form of communication. 3. Applauding was cited as an example of A. a sign B. a signal C. a symbol D. a gesture 4. Why were the telephone, radio, and TV invented? A. Because people were unable to understand signs, symbols, and signals. B. Because people wanted to communicate across long distances. C. Because people believed that signals, and symbols were obsolete. D. Because people wanted new forms of entertainment. 5. It may be concluded from this passage that A. signals, signs, symbols, and gestures are forms of communication. B. symbols are very easy to define and interpret. C. only some cultures have signals and symbols. D. waving and handshaking are not related to culture.