Unit5重点知识讲解 2025-2026学年译林版八年级英语上册

译林英语八上Unit5重点知识讲解 一、核心单词 1. face /feɪs/ v. 面临；面对 n. 脸 用法： 作动词：face sth（面对某事）；face to face（面对面）。 作名词：表“脸；面部”。 例句： We must face the problem bravely. They sat face to face and talked for hours. 2. serious /ˈsɪəriəs/ adj. 严重的；严肃的 用法： 短语 be serious about sb/sth（对某人/某事是认真的）。 副词形式为 seriously（严肃地；严重地）。 例句： The wild animals are in serious danger. He is serious about his work. 3. sick /sɪk/ adj. 生病的；恶心的 易混辨析： 易混词 用法及例句 sick 可作定语和表语，常用于美式英语：He is sick and can’t go to school. ill 作定语时表“坏的”，作表语时表“生病的”，常用于英式英语：He is ill in bed. 例句： She takes care of her sick mother. He felt sick after eating too much. 4. manage /ˈmænɪdʒ/ v. 完成（困难的事）；管理 用法： manage to do sth（设法完成某事，强调结果）。 易混辨析： 易混词 用法及例句 manage to do sth 成功完成：He managed to finish the task on time. try to do sth 尽力去做，但未必成功：He tried to climb the mountain, but failed. 例句： She managed to pass the exam. He manages a big company. 5. accept /əkˈsept/ v. 收受；接受 易混辨析： 易混词 用法及例句 accept 主观接受：She accepted the invitation. receive 客观收到：She received the gift but didn’t accept it. 例句： I accept your apology. He received a letter from his friend. 二、重点短语 1. in the wild 在野外 例句：Giant pandas live in the wild in China. 2. even if 即使；尽管 例句：Even if it rains, we will go hiking. 3. live on 以……为生 例句：Pandas live on bamboo. 4. take action 采取行动 例句：We must take action to protect wild animals. 5. stop...from doing... 阻止……做…… 例句：We should stop people from cutting down trees. 三、核心句式 1. “What is/are your favourite...?” 句型 句式结构：意为“你最喜欢的……是什么？”，同义表达为“What...do you like best?”。 例句： —What is your favourite wild animal? —I like pandas best. —What are your favourite sports? —I like football and basketball best. 2. “with + 名词（短语）+ 形容词/介词短语” 结构 句式结构：表示伴随状态或“具有；带有”，其反义词为 without。 例句： The girl came in with a book in her hand. He went to school without breakfast. 四、语法精讲 1. 动词不定式作宾语 ① 基本用法 可接动词不定式作宾语的动词有：want, like, ask, agree, decide, manage, offer 等。 例句：I want to learn English well. 部分动词（如 find, think, feel, make）常用 it 作形式宾语，真正的宾语后置。 例句：We think it important to protect wild animals. “疑问词+动词不定式”也可作宾语。 例句：Can you tell me how to solve the problem? 否定形式为 not to + 动词原形。 例句：He promised not to be late again. 2. 情态动词 may 的用法 ① 基本含义 许可/请求许可：意为“可以”，与 can 可互换。 例句：You may go now. / May I use your pen? 可能性：意为“可能；也许”，常用于肯定句。 例句：He may come tomorrow. 祝愿：用于表达希望和祝愿。 例句：May you have a good time! ② 否定形式 may not 表示“可能不”；表示“不可能”时用 can’t。 例句：He may not be at home. / He can’t be at home. ( 1 ) 学科网（北京）股份有限公司 $