: permitting mutual substitution <~ parts> —— in.ter.change.abil.i.ty n —— in.ter.change.able.ness n —— in.ter.change.ably adv
misapprehension to apprehend wrongly: misunderstand —— mis.ap.pre.hen.sion n
7.【中文释义】鲁宾的话并不缺乏情绪，它们只是通过小心翼翼地平衡各种突发地极端情绪来保持平稳的语调。
【解题分析】by前后是手段和因果的关系，若要保持平稳的语调则应尽量减少极端情绪，答案为a。
【重点词条】equipoise 1: a state of equilibrium 2: counterbalance 2equipoise vt (1664) 1: to serve as an equipoise to 2: to put or hold in equipoise
level : steady, unwavering (2): calm, unexcited 3: reasonable, balanced
8.【中文释义】她看上去更喜爱时断时续的兴趣而不是集中大量的努力，这种做法是无可否认的；况且，她的完成后的作品的令人难忘的高质量就说明了，她和她艺术之间的真正的关系绝对不是浅尝辄止的。
【解题分析】分号句上下句重复。上句讲她的做法是undeniable的，所以下句应对她和艺术的关系作褒扬，而anything but表示否定，故第二空格应为贬义词，b.c.候选，但b的disengaged不能作relationship 的表语，故选c.
【重点词条】 dabbling n.a superficial or intermittent interest, investigation, or experiment
indecision : a wavering between two or more possible courses of action: irresolution considered 1: matured by extended deliberative thought 2: viewed with respect or esteem
disengage : to release from something that engages or involves ~ vi: to release or detach oneself: withdraw —— dis.en.gage.ment n
9.【中文释义】因为化石的完美的保存，早期马蹄蟹的解剖体细节才第一次得以澄清，使得科学家能够重新衡量马蹄蟹的演变。
【解题分析】由因果关系可得b，c，e，由分隔结构可得e。
【重点词条】identify ) 1 a: to cause to be or become identical b: to conceive as united (as in spirit, outlook, or principle) 2 a: to establish the identity of b: to determine the taxonomic position of (a biological specimen) ~ vi 1: to be or become the same 2: to practice psychological identification <~ with the hero of a novel> —— iden.ti.fi.able adj —— iden.ti.fi.ably adv
obscure 1 a: dark, dim b: shrouded in or hidden by darkness c: not clearly seen or easily distinguished: faint 2: not readily understood or clearly expressed; also: mysterious 3: relatively unknown: as a: remote, secluded b: not prominent or famous 4: constituting an unstressed vowel having the value of
责任编辑：sealion1986
