tpo1-34解析包阅读tpo32reading1根据题目关键词定位到

1、正disturbance of a site 定位到a safe site where 这句话，在定位句中 by fire or by cutting down of trees has either competing species or reduced level of competitionand other eractions to level at which the 正disturbance of a site 定位到a safe site where 这句话，在定位句中 by fire or by cutting down of trees has either competi

2、ng species or reduced level of competitionand other eractions to level at which the invading species eestablished“落”。A 选项是对定位部分的准确小结。 的意思是“保持基本上没有植被”；virtually 表示“实际上，几乎”, 程度上对应almost totally。56句话aplowedfield和aconstructionsite前者是lyinvadedbyalargevarietyionformonths or even years despite receiving th

3、e same input of seeds环境对plantcolonization：根据词汇所在上下文推断词意，free of vege ion for many months or even yearsdespitereceivingthesameinputofseedsastheplowedfielddespite前后 ：原句强调了先锋物种（pioneer 概括。A到哪里，fertilesites多余；CD的原因的句子，第三段第 2，3 is not由：定位到动of small, relatively short-lived seeds to compensate for the t 可靠

4、性”，fewer butlargerseedsbybirdsorsmallmammals, 。：the latter ionAlternative strategies have evolvedtproducebut larger seeds，后者的适应是指tproducelong-livedseed正：根据词汇所在。：the latter ionAlternative strategies have evolvedtproducebut larger seeds，后者的适应是指tproducelong-livedseed正：根据词汇所在上下文推断词意。在 viable seeds 所在的句子

5、中，因为 Many forest plants seem to exhibit the latter ion 代表的是plants produce long-seeds所以接下来的viable seeds代表的是“tosurvive。viablele判断，1,125per 100-year-old Douglashemlock forest 的特点是nearlyall thed germinated oneerspecies前的观点句：viableseedsof pioneer speciescan be found inlarge numberson 正：第 4 段的大意主要讲的就是适应环境

6、的物种是发芽率高的物种，能最大化地 species exhibit a wide range of germination dates, increasing the probability 正2 句:Variation in rates of andgrowth lly secondary是variationplays an important role in determining patterns of , 题干的sequence 是对的同义改决定inratesofandgrowth，结合定位句后面的解释：Thetlower and growth，易生长，定B 第三个方框中：they应该包含 they C speciesthey 需要少量营养或保护的 species意味着他们更能存活，C lower and gr