48. More probable is bird transport,either externally,by accidental attachment of the seeds to feathers,or internally,by the swallowing of fruit and subsequent excretion of the seeds.
更有可能的是鸟类运输:或者是通过外部途径,即由于种籽偶然粘附在羽毛上;或者是通过内部方式,即由于鸟类吞食果子并随后将种籽排泄出来。
49.It is not known how rare this resemblance is,or whether it is most often seen in inclusions of silicates such as garnet,whose crystallography is generally somewhat similar to that of diamond;but when present,the resemblance is regarded as compelling evidence that the diamonds and inclusions are truly cogenetic.
现在尚不知这种类似稀少到何种地步,也不知道是否它最常见于象石榴石一类的硅酸盐内含物中,而这类物质的晶体结构普遍地在某种程度上类似于金刚石的晶体结构。但一旦存在,这种类似就被视作极有说服力的证据,证明金刚石与内含物确是同源的。
50.Even the radical critiques of this mainstream research model,such as the critique developed in Divided Society,attach the issue of ethnic assimilation too mechanically to factors of economic and social mobility and are thus unable to illuminate the cultural subordination of Puerto Ricans as a colonial minority.
即使是对这一主流研究模型的激进批评,诸如《分裂的社会》一书中所提出的那种批判,亦将少数民族同化问题过分机构地与经济和社会移动性的因素联系起来,因此无从阐明波多黎各人作为一个殖民地少数民族的文化从属关系。
51.They are called virtual particles in order to distinguish them from real particles,whose lifetimes are not constrained in the same way,and which can be detected.
它们被称为虚粒子,以便与实粒子区分开来,而实粒子则不会以这种方式受到制约,并且其存在可得以测定。
52. Other theorists propose that the Moon was ripped out of the Earths rocky mantle by the Earths collision with another large celestial body after much of the Earths iron fell to its core.
其他的理论家提出,在地球的大部分铁沉入到地核之后,由于地球与另一个庞大的天体发生碰撞,月亮便从地球那石质的地幔中撕裂开来而形成的。
上一篇: GRE备考:GRE阅读词汇笔记(38)
下一篇: GRE考试阅读辅导:长难句实例分析10
国际英语资讯:UN Security Council reaffirms commitment to non-proliferation goals
世界自闭症关注日:一起来关注“来自星星的孩子”
清明节小长假旅行计划:12星座大不同
抑郁症是一种什么体验?
To Spend the “Golden Week” On The Road 在路上度过黄金周
谷歌的人工智能DeepMind可以给人看病了
Teachers Love 教师的爱
The Influence of US TV Series 美剧带来的影响
国际英语资讯:Switzerland signs agreement to represent U.S. interests in Venezuela
国际英语资讯:Probe result shows crashed Ethiopian plane pilots followed required Boeing procedures
国内英语资讯:Senior CPC official meets Myanmar Minister of Information
体坛英语资讯:Firmino, Jesus fire Brazil to victory over Czech Republic
体坛英语资讯:Chinas Zhang pairs with Stosur to reach Miami Open womens doubles semis
Airbnb被爆房东偷拍房客
京东联合谷歌寻找国内消费领域AR创新应用
国际英语资讯:Venezuelas ANC strips Juan Guaido of parliamentary immunity
国内英语资讯:Tariff suspensions create good atmosphere for China, US trade talks: MOC
Dose Mistress Deserves Privacy? 情妇享有隐私权么?
埃菲尔铁塔130岁了! 关于它的这10件事你却不一定知道
国际英语资讯:Philippines tightens security after blast in southern town
怎样才能多吃不胖?
体坛英语资讯:PSC denies underfunding claim by Olympic silver medalist Hidilyn Diaz
体坛英语资讯:Morata scores double as Spain win 2-0 in Malta
体坛英语资讯:Chelsea see off PSG, move into Womens Champions League semifinals
研究显示,同种疾病女性确诊晚于男性数年
国家远程医疗自闭症注册登记平台今日向社会开放
体坛英语资讯:Matthews wins slow motion sprint in stage 2 of Tour of Catalonia
国际英语资讯:Japan lodges protest with Russia over military drills near disputed island
权游最终季:痛快追剧怎么少得了权游周边!有吃有喝还有面儿
国际英语资讯:More Brexit talks between political foes as rage, anger continues at Westminster