
Unit 6 Animals 复习讲义 一、单元主题与词汇精讲 主题解读:本单元围绕“动物”展开,学习描述动物特征、习性及人与动物的关系,涵盖野生动物保护、宠物饲养及生态平衡等话题。 核心词汇分类 动物类习性类保护类 mammal (n.) 哺乳动物 hunt (v.) 捕猎 protect (v.) 保护 reptile (n.) 爬行动物 feed (v.) 喂养 endangered (adj.) 濒危的 insect (n.) 昆虫 climb (v.) 攀爬 habitat (n.) 栖息地 例题1: Q: Pandas are _____ animals. We must save them. A. endangered B. dangerous C. common 解析:选A。endangered表示“濒危的”,符合熊猫需要保护的语境。 高频短语 in the wild 在野外 take care of 照顾 be afraid of 害怕 play a role in 在…中起作用 keep as pets 作为宠物饲养 例题2: Q: Many birds lose their _____ because of deforestation. A. habitat B. hunt C. feed 解析:选A。habitat(栖息地)与“森林砍伐”导致鸟类失去家园的语境匹配。 二、语法专项突破 1. 情态动词can/can’t表能力 用法:描述动物或人的能力或限制。 结构:主语 + can/can’t + 动词原形 例句: Dolphins can swim fast. Penguins can’t fly. 例题3: Q: Elephants _____ (remember) places for many years. A. can remember B. can remembers C. could remember 解析:选A。can后接动词原形,表能力。 2. 现在进行时表观察行为 用法:描述正在观察到的动物行为。 结构:am/is/are + 动词-ing 例句: The monkey is climbing the tree. The birds are singing in the forest. 例题4: Q: Look! The cat _____ (chase) a butterfly. A. chases B. is chasing C. chased 解析:选B。Look!提示动作正在进行。 3. 形容词比较级与最高级 规则: 单音节词:big → bigger → biggest 多音节词:intelligent → more intelligent → most intelligent 不规则变化:good → better → best; bad → worse → worst 例句: A lion is stronger than a cheetah. The blue whale is the largest animal in the world. 例题5: Q: This snake is _____ (long) than that one. A. long B. longer C. longest 解析:选B。比较级结构“than”前用longer。 三、句型与话题表达 1. 描述动物特征 Koalas have soft fur and big ears. Sharks can smell blood from far away. 2. 保护动物倡议 We should protect tigers because they are endangered. Don’t buy products made from animal skins. 例题6: Q: —Why are polar bears in danger —Because the ice _____ (melt) quickly. A. is melting B. melts C. melted 解析:选A。强调当前正在发生的现象,用现在进行时。 四、题型解题技巧与例题 1. 完形填空:语境关联法 技巧: 根据动物习性关键词(hunt, climb, habitat)选择答案。 注意情态动词can与主语的搭配(第三人称单数不加s)。 例题7: Q: Tigers _____ (hunt) at night. They have excellent night vision. A. hunt B. hunts C. are hunting 解析:选A。描述一般习性用一般现在时,主语Tigers为复数。 2. 阅读理解:因果推理题 技巧: 定位表示因果的词汇(because, so, as a result)。 分析动物濒危的原因及保护措施。 例题8(根据短文): Q: Why do elephants need protection A. They attack humans. B. They lose their habitats. C. They can’t find food. 解析:定位原文“Elephants are endangered because their habitats are destroyed.”,选B。 3. 书面表达:动物保护倡议书 题目:Protect Endangered Animals 模板: 开头:Many animals are in danger. We need to take action. 主体:Reasons (habitat loss/po ... ...
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