新托福阅读动物类话题词汇及长句.docxVIP

雅思培训 托福培训 新托福阅读动物类话题词汇及长句 朗阁海外考试研究中心 新托福阅读热门动物类话题如何进行解析呢？朗阁名师带领“烤鸭”们来解读托福阅读动物类话题一系列的词汇及长句。 文章标题The Cambrian Explosion所属话题生命科学类之动物类文章体裁科技说明文文章结构现象解释式难度系数文章难度★★★★ 题目难度：★★★各题型数量词汇题（4题） 直接事实题（2题） 推论题（1题） 句子简化题（1题） 修辞目的题（2题） 否定排除题（2题） 插入文本题（1题） 摘要题（1题）高频话题词 总结geologic 地质的，地质上的 origin 起源，来源，渊源 originate 发源，起源，开始 cell 细胞 extinct 灭绝的，绝种的 evolve 进化，发展 diversification 多样化，多元化 explosion 爆炸，激增 multicellular 多细胞的 fossil 化石 evolutionary 进化的，演化的 fossilize 变成化石，石化 fossilization 化石化 discourage 阻止，阻碍 decomposition 分解，腐败，解体 formation 形成，构成 consist 包含 exclusively 完全地，独有地，排外地 distribution 分布 ancestor 祖先 assign 归于，归属 unique 唯一的，独特的 arise 出现 descendant 后代，子孙 marine 海洋的，海生的，海产的 unassignable 无法分配的 predator 捕食者，食肉动物 previously 以前，先前，之前 extinction 灭绝 involve 涉及 zoologist 动物学家 ecological 生态的 virtually 几乎 competition 竞争 sequence 顺序，次序 await 等待，期待长难句Conditions that promote fossilization of soft-bodied animals include very rapid covering by sediments that create an environment that discourages decomposition. 分析：主句为“Conditions include very rapid covering by sediments”，“that promote fossilization of soft-bodied animals”为定语从句，做Conditions的定语，关系词为that； “that create an environment that discourages decomposition”也为定语从句，做sediments的定语，关系词为that。 At one time, the animals present in these fossil beds were assigned to various modern animal groups, but most paleontologists now agree that all tommotian fossils represent unique body forms that arose in the early Cambrian period and disappeared before the end of the period, leaving no descendants in modern animal groups. 分析：本句为并列句，由连词but连接；“the animals present in these fossil beds were assigned to various modern animal groups”的主句为“the animals were assigned to various modern animal groups”“present in these fossil beds”为后置定语；“most paleontologists now agree that all tommotian fossils represent unique body forms that arose in the early Cambrian period and disappeared before the end of the period, leaving no descendants in modern ani