考研易错题（2019/1/21）

第1题：The fact that blind people can "see" things using other parts of their bodies apart from their eyes may help us to understand our feelings about color. If they can (1) color differences, then perhaps we, too, are affected by (2) unconsciously. Manufacturers have discovered by (3) that sugar sells badly in green wrappings, (4) blue foods are considered unpleasant, and the cosmetics should never be packaged (5) brown. These discoveries have grown (6) a whole discipline of color psychology that now finds (7) in everything from fashion to interior decoration. Some of our (8) are clearly psychological.Dark blue is the color of the night sky and (9) associated with passivity and calm, while yellow is a day color with (10) of energy and incentive. For primitive man, activity during the day (11) hunting and attacking, while he soon saw as red, the color of blood and rage and the heat that came (12) effort.And green is associated with passive (13) and self preservation.Experiments have (14) that green, partly bemuse of its physiological associations, also has a direct psychological (15) , it is a calming color. (16) its exciting connotations, red was chosen as the signal for changer, (17) closer analysis shows that a vivid yellow can produce a (18) basic state of alertness and (19) , so fire engines and ambulances in some advanced communities are now (20) around in bright yellow colors that stop the traffic deaD、 A．surprise B．fright C．alarm D．fear

【单选题】： A     B     C     D

第2题：甲状腺术后出现声音嘶哑是由于损伤了 A．甲状旁腺 B．喉返神经 C．喉上神经内支 D．喉上神经外支

【单选题】： A     B     C     D

第3题：设y=f(x)具有二阶导数，且f'(x)≠0，x=φ(y)是y=f(x)的反函数，则φ"(y)=______．

【单选题】： A     B     C     D

第4题：三阶矩阵 ，若A*的秩为1，则a，b满足______ A．a=B、B．a2=b2． C．a=-B、D．a2≠b2．

【单选题】： A     B     C     D

第5题：减小混凝土徐变的措施是( )。 A．加大水泥用量，提高养护时的温度和湿度 B．加大骨料用量，提高养护时的温度，降低养护时的湿度 C．延迟加载龄期，降低养护时的温度和湿度 D．减小水泥用量，提高养护时的温度和湿度

【单选题】： A     B     C     D