单选题
{{B}} DirectiOns : For each blank in the following
passage, choose the best answer from the choices givenbelow. Mark your answer on
the ANSWER SHEET by drawing with a pencil a short bar acrossthe corresponding
letter in the brackets.{{/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}} 31 {{/U}}the utmost importance.
Proper selection will eliminate one source of{{U}} 32 {{/U}}breakdown in
the communication cycle. Too often, careless use of words{{U}} 33
{{/U}}a meeting of the mindsof the speaker and listener. The words used by the
speaker may{{U}} 34 {{/U}}unfavorable reactions in thelistener{{U}}
35 {{/U}}interfere with his comprehension; hence, the
transmission-reception system breaksdown.{{U}} 36 {{/U}}, inaccurate or
indefinite words may make{{U}} 37 {{/U}}difficult for thelistener to
understandthe{{U}} 38 {{/U}}which is being transmitted to him. The
speaker who does not have specific words in hisworking vocabulary may
be{{U}} 39 {{/U}}to explain or describe in a{{U}} 40 {{/U}}that
can be understood by hislisteners.
单选题
A. of
B. at
C. for
D. on
【正确答案】
A
【答案解析】[解析] is of the utmost importance意思是“非常重要的”，相当于extremely important。“he+of+某些抽象名词”表示“具有……”，等于该抽象名词的形容词的意思。如：Thisbridge：is of great significance．(这座桥具有重大意义。)