(A) I’LL MAKE (B) SOME SANDWICHES BEFORE (C) I ‘LL LEAVE (D) FOR WO...

45.(a) I’ll make (B) some sandwiches before (C) I ‘ll leave (D) for work.Đọc kỹ đoạn văn sau và chọn phương án đúng ( A hoặc B, C, D) cho mõi câu từ 46 đến 50Ever since humans have inhabited the earth, they have made use of various forms ofcommunication. Generally, this expression of thoughts and feelings has been in the form oforal speech. When there is a language barrier, communication is accomplished through signlanguage in which motions stand for letters ,words, and ideas. Tourists, the deaf and themute have had to resort to this form of expression. Many of these symbols of the wholewords are very picturesque and exact and can be used internationally; spelling, however,cannot.Body language transmits ideas or thoughts by certain actions, either intentionally orunintentionally. A wink can be a way of flirting or indicating that the party is only joking .Anod signifies approval, while shaking the head indicates a negative reaction.Other forms of nonlinguistic language can be found in Braille (a system of raised dotsread with the fingertips), signal flags. Morse code, and smoke signals. Road maps andpicture signs also guide, warn, and instruct people . While verbalization is the most commonform of language, other systems and techniques also express human thoughts and feelings.