6.【中文释义】我们自身生理的特殊性必然要求每一种物质的效果必须通过对人体的实验来验证，尽管那种物质在动物身上已经经过了数以千记的测试。

【解题分析】even前后对比，even 后为“在 动物身上检测过的效果，”even 前当然填“在人身上检测过的效果”，即答案 d。

【重点词条】controlled 1: restrained 2: regulated by law with regard to possession and use <~ drugs>

1con.trol vt con.trolled ; con.trol.ling [ME controllen, fr. MF contreroller, fr. contrerolle copy of an account, audit, fr. ML contrarotulus, fr. L contra- + ML rotulus roll——more at roll] (15c) 1 a archaic: to check, test, or verify by evidence or experiments b: to incorporate suitable controls in 2 a: to exercise restraining or directing influence over: regulate b: to have power over: rule c: to reduce the incidence or severity of esp. to innocuous levels <~ an insect population> <~ a disease> syn see conduct —— con.trol.la.bil.i.ty n —— con.trol.la.ble adj —— con.trol.ment n 2control n, often attrib (1590) 1 a: an act or instance of controlling; also: power or authority to guide or manage b: skill in the use of a tool, instrument, technique, or artistic medium c: the regulation of economic activity esp. by government directive——usu. used in pl. 2: restraint, reserve 3: one that controls: as a (1): an experiment in which the subjects are treated as in a parallel experiment except for omission of the procedure or agent under test and which is used as a standard of comparison in judging experimental effects——called also control experiment (2): one (as an organism, culture, or group) that is part of a control b: a device or mechanism used to regulate or guide the operation of a machine, apparatus, or system c: an organization that directs a spaceflight d: a personality or spirit believed to actuate the utterances or performances of a spiritualist medium syn see power

7.【中文释义】今天，水在园林建筑中要比以往任何时候都来得普遍，因为技术的进步使得这种做法很容易实现，在某种情形中，几乎是强迫性地必须安装水景观在公共场所中。

【解题分析】because连接一个因果关系，因为今天实现起来比过去容易，所以就会怎么样了呢？显然填d。

【重点词条】indispensable 1: not subject to being set aside or neglected 2: absolutely necessary: essential —— in.dis.pens.abil.i.ty n —— indispensable n —— in.dis.pens.able.ness n —— in.dis.pens.ably adv

ubiquitous : existing or being everywhere at the same time: constantly encountered: widespread —— ubiq.ui.tous.ly adv —— ubiq.ui.tous.ness n