填空题
{{B}}Directions: For each blank in the following passage, there are four choices marked A, B, C and D. Choose the one that is most suitable and mark your answer by blackening the corresponding letter on the answer sheet.{{/B}}
The first and smallest unit that can be discussed in relation to language is the word. In speaking, the choice of words is{{U}} (21) {{/U}}the utmost importance. Proper selection will eliminate one source of{{U}} (22) {{/U}}breakdown in the communication cycle. Too often, careless use of words{{U}} (23) {{/U}}a meeting of the minds of the speaker and listener. The words used by the speaker may{{U}} (24) {{/U}}unfavorable reactions in the listener{{U}} (25) {{/U}}interfere with his comprehension; hence, the transmission-reception system breaks down.
{{U}} (26) {{/U}}, inaccurate or indefinite words may make{{U}} (27) {{/U}}difficult for the listener. to understand the.{{U}} (28) {{/U}}which is being transmitted to him. The speaker who does not have specific words in his working vocabulary may be{{U}} (29) {{/U}}to explain or describe in a{{U}} (30) {{/U}}that can be understood by his listeners.
填空题 A. of
填空题 A. inaccessible
填空题 A. encourages
填空题 A. pass out
填空题 A. who
填空题 A. Moreover
填空题 A. that
填空题 A. speech
填空题 A. obscure
填空题 A. case