51. import "[im'p?:t, 'imp?:t]" "v./n.進(jìn)口,輸入,(pl.)進(jìn)口商品;要旨,含意"

　　52. importance [im'p?:t?ns] "n.重要,重要性"

　　53. important [im'p?:t?nt] "a.重要的,重大的;有地位的,有權(quán)力的"

　　54. impose [im'p?uz] v.征(稅);(on)把…強(qiáng)加給

　　55. impossible [im'p?s?bl] a.不可能的;難以忍受的，很難對(duì)付的

　　56. impress "[im'pres, 'impres]" "v.(on)印,蓋印;留下印象,引人注目"

　　57. impression [im'pre??n] "n.印象,感想;蓋印,壓痕"

　　58. impressive [im'presiv] "a.給人深刻印象的,感人的"

　　59. improve [im'pru:v] "v.改善,改進(jìn),增進(jìn);好轉(zhuǎn),進(jìn)步"

　　60. improvement [im'pru:vm?nt] "n.改進(jìn),進(jìn)步,增進(jìn);改進(jìn)措施"

　　61. impulse ['imp?ls] "v.推動(dòng) n.推動(dòng);沖動(dòng),刺激"

　　62. in [in] prep.在…里(內(nèi)，上);用…(表示)ad.進(jìn)，入

　　63. incentive [in'sentiv] n.刺激;動(dòng)力;鼓勵(lì);誘因;動(dòng)機(jī)

　　64. inch [int?] n.英寸

　　65. incidence ['insid?ns] n.影響程度，影響范圍;發(fā)生率

　　66. incident ['insid?nt] "n.事件,事變"

　　67. incidentally "[,insi'dent?li]" "ad.附帶地,順便提及"

　　68. incline [in'klain] "v.(使)傾斜;(使)傾向于 n.斜坡,斜面"

　　69. include [in'klu:d] "v.包括,包含,計(jì)入"

　　70. inclusive [in'klu:siv] "a.(of)包括的,包含的;范圍廣的"

　　71. income ['ink?m] "n.收入,收益,所得"

　　72. incorporate [in'k?:p?reit] "v.合并,納入,結(jié)合 a.合并的"

　　73. increase "[in'kri:s, 'inkri:s]" "v./n.增加,增長(zhǎng),增進(jìn)"

　　74. increasingly [in'kri:si?li] "ad.不斷增加地,日益"

　　75. incredible [in'kred?bl] "a.不可相信的,驚人的,不可思議的"

　　76. incur [in'k?:] "v.招致,惹起,遭受"

　　77. indeed [in'di:d] "ad.確實(shí),實(shí)在;真正地,多么"

　　78. independence "[,indi'pend?ns]" "n.獨(dú)立,自主"

　　79. independent "[,indi'pend?nt]" "a.(of)獨(dú)立的,自主的"

　　80. index ['indeks] "n.(pl.indexes,indices)索引 v.附以索引"

　　81. indicate ['indikeit] "v.指出,指示;表明,暗示"

　　82. indication "[,indi'kei??n]" "n.指出,指示;表明,暗示"

　　83. indicative [in'dik?tiv] "a.(of)指示的,暗示的"

　　84. indifferent [in'dif?r?nt] "a.冷漠的,不關(guān)心的,不積極的"

　　85. indignant [in'diɡn?nt] "a.憤慨的,憤慨不平的"

　　86. indignation "[,indiɡ'nei??n]" "n.憤怒,憤慨"

　　87. indispensable "[,indis'pens?bl]" "a.(to,for)必不可少的,必需的"

　　88. individual "[,indi'vidju?l, -d??l]" "a.個(gè)人的,單獨(dú)的;獨(dú)特的 n.個(gè)人,個(gè)體"

　　89. indoor ['ind?:] "a.室內(nèi)的,戶內(nèi)的"

　　90. induce "[in'dju:s, in'du:s]" "v.引誘,勸使;引起,導(dǎo)致;感應(yīng)"

　　91. indulge [in'd?ld?] v.放任，縱容，沉溺;使(自己)縱情享受

　　92. industrial [in'd?stri?l] "a.工業(yè)的,產(chǎn)業(yè)的"

　　93. industrialize [in'd?tri?laiz] v.(industrialise)(使)工業(yè)化

　　94. industry ['ind?stri] "n.工業(yè),產(chǎn)業(yè);勤勞,勤奮"

　　95. inertia [i'n?:?i?] "n.不活動(dòng),惰性;慣性"

　　96. inevitable [in'evit?bl] "a.不可避免的,必然發(fā)生的"

　　97. infant ['inf?nt] "n.嬰兒,幼兒"

　　98. infect [in'fekt] vt.傳染，感染;影響(思想等)

　　99. infectious [in'fek??s] "a.傳染的,傳染性的,有感染力的"

　　100. infer [in'f?:] "v.推論,推斷"