Ever since humans have lived on the earth, they have made use of various forms of com

Ever since humans have lived on the earth, they have made use of various forms of communication. Generally, this expression of thoughts and feelings has been in the form. of oral speech. When there is a language barrier, communication is completed through sign language in which motions stand for letters, words, and ideas. Tourists and the people unable to hear or speak have had to turn to this form. of expression. Many of these symbols of whole words are very lively and exact and can be used internationally; spelling, however, cannot.

Body language sends ideas or thoughts by certain actions, either meaningfully or not. A wink can be a way of showing that the party is only joking. A nod means agreement, while shaking the head indicates disagreement.

Other forms of nonlinguistic language can be found in Braille (盲人用点字法a system of raised dots read with the fingertips), signal flags, Morse code, and smoke signals. Road maps and picture signs also guide and warn people. While language is the most common form. of communication, other systems and techniques also express human thoughts and feelings.

Which of the following statements best summarizes this passage？

A. When language is a barrier, people will find other forms of communication.

B. Everybody uses only one form. of communication.

C. Nonlinguistic language is invaluable to foreigners.

D. Although other forms, except for language, of communication exist, they are of little value.

Which of the following statements in NOT true？

A. There are many forms communication in use today.

B. Ideas and thoughts can be expressed by body language.

C. Tourists are unable to use an oral form. of communication.

D. Language is the most common form. of communication.

Which form. other than oral speech could be most commonly used among blind people？

A. Picture signs.

B. Signal flags.

C. Body language.

D. Braille.

Sign language is said to be very lively and exact and can be used meaningfully except for？

A. spelling

B. expressions

C. whole words

D. idea

How many different forms of communication are mentioned here？

A.5.

B.3.

C.9.

D.7.