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以下《GRE词汇资料：imperative》由留学群GRE频道为大家整理，更多GRE考试信息就在留学群GRE考试栏目。
imperative: adj. 迫切的： needing immediate attention
【考法1】n. 命令： a statement of what to do that must be obeyed by those concerned
【例】 a secretary of defense who was fond of issuing harshly worded imperatives 一个很喜欢发布措辞严厉的命令的国防部长
【近】 command, decree, dictate, direction, directive, instruction, order, word
【考法2】adj. 命令的，强制性的：forcing one's compliance or participation by or as if by law
【例】 requests that grew more and more imperative 命令性越来越强的请求
【近】 compulsory, forced, involuntary, obligatory, peremptory, required
【反】 optional 可选择的;voluntary 志愿性的
【考法3】adj. 迫切的： needing immediate attention
【例】 an imperative need for medical supplies in the earthquake-ravaged country 地震灾区国家对于医疗物资的迫切需求
【近】 clamant, compelling, critical, crying, emergent, exigent, imperious, importunate, pressing, urgent
【反】 noncritical, unimportant 不重要的
【考法4】adj. 必要的： impossible to do without
【例】 Proper equipment is imperative for the success of this chemical experiment. 合适的仪器是这个化学实验成功必不可少的条件
【近】 indispensable, necessary, necessitous, requisite, vital
【反】 dispensable, inessential, needless, unnecessary 非必须的
小编推荐：
GRE改革，词汇量减少20%，GRE对词汇的考察也加大了一定的难度，留学群GRE频道为大家整理了GRE词汇资料：diffidence。
diffident: 缺乏自信的; hesitant in acting or speaking through lack of self-confidence
1) shy, lacking self-confidence; modest, reserved
diffident <>nervy .
diffident <>nerved
diffident <>bold羞怯的<>大胆的
diffident <>brassy羞怯的<>厚脸皮的
diffident <>brazen害羞的<>厚脸皮的
diffidence <>assertiveness缺乏自信<>过分自信
diffidence <>braveness缺乏自信<>勇敢
diffident <>expansive 羞怯的和胆小的<> 豪爽的，开朗的
diffident : confidence
diffident : confident
expansive<>diffident@malicious豪爽的<>羞怯的@恶毒的
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