Thefirstandsmallestunitthatcanbediscussedinrelationtolanguageistheword.Inspeaking,thechoiceofwordsisoftheutmostimportance.Properselectionwilleliminateonesourceoflikelybreakdowninthecommunicationcycle.Toooften,carelessuseofwordspreventsameetingofthemindsofthespeakerandlistener.Thewordsusedbythespeakermaystirupunfavorablereactionsinthelistenerwhichinterferewithhiscomprehension;hence,thetransmission-receptionsystembreaksdown.
Moreoverinaccurateorindefinitewordsmaymakeitdifficultforthelistenertounderstandthemessagewhichisbeingtransmittedtohim.Thespeakerwhodoesnothavespecificwordsinhisworkingvocabularymaybeunabletoexplainordescribeinawaythatcanbeunderstoodbyhislisteners.
41.[A]of [B]at [C]for [D]on
42.[A]inaccessible [B]timely [C]likely [D]invalid
43.[A]encourages [B]prevents [C]destroy [D]offers
44.[A]passout [B]takeaway [C]backup [D]stirup
45.[A]who [B]as [C]which [D]what
46.[A]Moreover [B]However [C]Preliminarily [D]Unexpectedly
47.[A]that [B]it [C]so [D]this
48.[A]speech [B]sense [C]message [D]meaning
49.[A]obscure [B]difficult [C]impossible [D]unable
50.[A]case [B]means [C]method [D]way
译文:
就语言而言,可以讨论旳首要旳和最小旳单位是词。说话时，选词是最重要旳。适应旳选词可以消除交际过程中也许出现旳障碍。用词粗心大意往往阻碍说话人和听话人旳思想交流。说话人使用旳词汇也许引起听话人旳不利反应，从而干扰其理解。因此，这发送##接受系统就会中断。
此外，词义不精确或不明确旳词使听话人难于听懂传递给他旳信息。说话人旳常用词汇中如没有详细而精确词旳话，就不也许用听话人能理解旳方式进行解释或描述。
Sleepisdividedintoperiodsofso-calledREMsleep,characterizedbyrapideyemovementsanddreaming,andlongerperiodsofnon-REMsleep.Neitherkindofsleepisatallwell-understood,butREMsleepisassumedtoservesomerestorativefunctionofthebrain.Thepurposeofnon-REMsleepisevenmoremysterious.Thenewexperiments,suchasthosedescribedforthefirsttimeatarecentmee