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关键句:The introduction of exotic (外来的) species is another threat.改写:Introducing exotic species may threaten the native ones. 本题考查概要写作之同义改写。解题步骤:1. 确定关键词句。本段第一句总起,第二句话中的extinctions 是第一句话中threat的表现,属于重复,后文具体解释这种威胁是如何造成的,故...
吉林省林木引种成就及今后发展设想 Achievement and tentative idea on introduction of exotic species in Jilin Province;
Exotic species introductions, either intentional or unintentional, represent a complex force in our rapidly changing world. The frequency and amplitude of biological invasions is increasing globally (Elton 1958, Meyerson and Mooney 2007, McGeoch et al. 2010) with dramatic impacts on natural ecosystem...
To meet the needs of afforestation in particular natural conditions in Yuanmou dry and hot valley, the quantitative selection research of drought resistant and heat resistant afforestation species was carried out. 针对元谋干热河谷区特殊的自然条件,为荒山造林所需,开展抗旱耐热造林树种的定量选择研究。
Studies of animal introductions have traditionally been the preserve of ecologists and natural historians but here it is argued that exotic species are a rich source of cultural evidence with the potential to enhance archaeological interpretations relating to human behaviour and beliefs. This paper ...
species种类。此处呼应第一段第一句The introduction of non-native “exotic” species is now seen as a major threat to biodiversity.中biodiversity。故选A。【小题13】考查名词词义辨析。句意:生物多样性科学家的本质是关注物种组成系统,而不一定关注单个生物的利益和福祉,特别是那些被视为对维持这些系统的威胁...
The introductionof non-native"exotic" speciesis nowseen asa majorthreat tobiodiversity.In 1825,a particularlyvigorous femaleclone ofitadori (calledJapanese knotweed)was introducedinto Hollandand later 41 throughoutEurope by theplant collectorand nurseryman,VonSeybold. Britishgardenersloved itand by1886it ...
The introduction of non-native "exotic" species is now seen as a major threat to biodiversity. In 1825, a particularly vigorous female clone of itadori (called Japanese knotweed)was introduced into Holland and later distributed throughout Europe by the plant collector and nurseryman, Von Seybold....
【题目】Non-NativeSpeciesT heintroduction of non-native "exotic" speciesis now seen as amajor threat to biodiversity.In 1825, a particularlyvigorous female clone of itadori (called Japanese knotweed) wasintroduced into Holland and later __11_throughout Europe by the plant collector and nurseryman...