Unit 2 How often do you exercise Section B 知识点详解 2024-2025学年人教版八年级英语上册

Unit 2 How often do you exercise Section B 知识点详解 一、单词 maybe：“大概；或许；可能”，常用于句首。例如：“Maybe he is at home. （也许他在家。）” least：“最小；最少；最少量”。“at least” 意为 “至少；不少于；起码”。例如：“You should sleep at least eight hours every day. （你每天应该至少睡八个小时。）” junk：“无用的东西；无价值的东西”，常指不健康的食品。“junk food” 意为 “垃圾食品”。例如：“Don't eat too much junk food. （不要吃太多垃圾食品。）” coffee：“咖啡”，不可数名词。例如：“I like drinking coffee. （我喜欢喝咖啡。）” health：“健康；人的身体（或精神）状态”，名词。其形容词形式为 “healthy”（健康的）。例如：“Exercise is good for your health. （锻炼对你的健康有益。）” result：“结果；后果”。例如：“The result of the exam is good. （考试的结果很好。）” percent：“百分之......”。例如：“Fifty percent of the students are girls. （百分之五十的学生是女生。）” online：“在线的；联网的”。例如：“I often play games online. （我经常在线玩游戏。）” television：“电视节目；电视机”，缩写形式为 “TV”。例如：“I watch television every evening. （我每天晚上看电视。）” although：“虽然；尽管；即使”，引导让步状语从句。例如：“Although he is very tired, he still keeps working. （尽管他很累，但他仍然继续工作。）” 二、短语 “go online”：“上网”。例如：“I like to go online in my free time. （我空闲时喜欢上网。）” “such as”：“例如；像...... 这样”，用来列举同类人或事物中的几个例子。例如：“I like fruits such as apples and bananas. （我喜欢水果，比如苹果和香蕉。）” “more than”：“多于”。例如：“There are more than 50 students in our class. （我们班有五十多个学生。）” “less than”：“少于”。例如：“The book costs less than 10 yuan. （这本书不到十元。）” 三、重点句型 “How many hours do you sleep every night?”：“你每晚睡多少个小时？” “Here are the results.”：“这是结果。” “Only fifteen percent of our students exercise every day.”：“我们只有百分之十五的学生每天锻炼。” “The answers to our questions about watching television were also interesting.”：“关于我们看电视问题的答案也很有趣。” “Although many students like to watch sports, game shows are the most popular.”：“虽然很多学生喜欢看体育节目，但游戏节目是最受欢迎的。” 四、语法 百分数的表达：百分数由 “基数词 + percent” 构成。例如：“thirty percent”（百分之三十）。 数字的表达： 表示 “具体数字” 时，hundred，thousand，million 等词后不加 “s”。例如：“three hundred”（三百）。 表示 “不确定的数字” 时，hundred，thousand，million 等词后要加 “s”，并与 “of” 连用。例如：“hundreds of”（成百上千的）。 五、重点词语 / 短语用法解析 “maybe” 和 “may be”：“maybe” 是副词，通常位于句首；“may be” 是 “情态动词 + 动词原形” 结构，位于句中。例如：“Maybe he is right. ”（也许他是对的。）“He may be right. ”（他可能是对的。） “such as” 和 “for example”：“such as” 用来列举同类人或事物中的几个例子，可置于被列举的事物与前面的名词之间，其后不用逗号；“for example” 一般只以同类事物或人中的 “一个” 为例，作插入语，用逗号隔开，可置于句首、句中或句末。例如：“I have many hobbies, such as reading, writing and singing. ”（我有很多爱好，比如阅读、写作和唱歌。）“Some students, for example, Tom, are very hardworking. ”（有些学生，比如汤姆，非常勤奋。） “although” 不能与 “but” 连用，但可以与 “yet”，“still” 连用。例如：“Although he is poor, yet he is happy. ”（虽然他很穷，但他很快乐。） “maybe” 和 “least” 造的句子： “maybe”： Maybe she will come to the party tonight. Maybe it will rain tomorrow. Maybe you are right and I'm wrong. Maybe he forgot about our meeting. Maybe they have already left. “least”： You should at least try to understand. She is the least worried person I know. This is the least expensive dress in the store. He has the least experience of all. At least 10 people attended the meeting. 学科网（北京）股份有限公司 $$