Unit5分课讲义 2023-2024学年冀教版英语九年级全一册

2023-2024年冀教版英语九年级第五单元分课讲义 Lesson 25 Let’s Do an Experiment! Part I 重点词汇 1. experiment n. __________ ·____________ 做实验 【例句】They are doing an experiment in the lab. experiment v. __________ e.g. He experimented on rats. 2. correct adj. ____________ 【反义词】_______________ 【副词】_______________ 【例句】Read the passage and then choose the correct answer. correct v. ____________ 【例句】One learns a language by making mistakes and correct them. 3.force n. ____________ v. ____________ 【形容词】____________强有力的 ·____________ 靠武力，强行 【拓展】force还可作动词，意为“迫使；强迫” 常见用法有： (1).force sb. to do sth.=force sb. into doing sth. 强迫某人做某事 (2).be force to do sth.=be forced into doing sth. 被迫做某事 4. pour v. __________ 【常用短语】 ·____________ 涌出 ·____________ 把...倒进... ·____________ (雨)倾盆而下 【例句】Water poured out of the tap. 5. discover v. __________ discover意为“发现”，指发现原来就存在但不为人知的事物。 【例句】A new coal mine was discovered in this district. invent v. __________ invent意为“发明”，指发明原来不存在的东西。 【例句】Bell invented the telephone in 1876. Part II 重点短语 1. pour out 涌出 2. cover...with...用...盖住... 3. take...off...把...拿开 4. turn...upside down 把...翻转；倒过来 5. fill...with... 用...装满...；把...填满... Part III 重点句子 1. Then I turn the jar upside down and take my hand off the cardboard. ① turn upside down 意为“把……翻：倒过来”，相当于"turn over". "upside down"意为“正面朝下”；“right side up”意为“正面朝上”。 【例句】 Turn your watch upside down and then put it on the table. 【例句】 You hold the book upside down. ② take … off … 意为“使…离开/脱离；把…从…拿开”。 【例句】 Please take your hand off my cup. 【拓展】take off 也可表示“脱掉（衣、帽、鞋等）、取下（眼睛、戒指等）”，还可表示“（飞机等）起飞”。 【例句】 When will the plane take off? 2. I am so sure of my theory that Brian can do the experiment over your head and I know you won't get wet. ① be sure表示肯定,有把握, 而be not sure表示不确定； be sure/be not sure后可接句子，也可接代词、名词、动名词或不定式。 be sure of 意为“对…有把握”； 常见用法：be sure of sb./doing sth. 【例句】 Are you sure of this matter? be sure to do sth. “确定做某事” 【例句】 I am sure to go back home tomorrow. be sure + that 从句 【例句】 He isn't sure that