老师
hello boys and girls welcome to English class i am Kelly today， we are going to learn lesson three a computer has a keyboard。
老师
同学们，今天我们将学习第三单元第一课时的内容，电脑有一个键盘，让我们一起来看今天的学习重点。同学们，在本课时我们主要学习单词以及语法句型。核心素养目标语言能力要求，我们能模仿音频说英语，体会一群语调比节奏文化意识，了解英语中一词多义的现象。思维品质，能够概括语篇的主要内容，体会主要信息之间的关联。学习能力，同学们要能够运用已有语言积累和生活经验完成新的学习任务。
老师
all right boys and girls lets begin our class guys look at this picture is it a tv or computer？ what does the computer have？ look at this picture？ whats in yives hand？
老师
yes 鼠标 how do we say？鼠标 in English 用英语怎么来表达鼠标？
老师
Next, let's watch a video and check your answers. Oh, you have a nice TV. No, it's not a TV. It's a computer. And it looks like a TV. Yes, but a computer has a keyboard. What's that? It's a mouse. Does a TV have a mouse, too? No, it doesn't. Where is the mouse? Let me catch it. Look. Here it is. Boys and girls, did you find the answer? how do we say？
老师
鼠标 in English yes mouse。 It's a mouse. Good job. Now let's learn some new words. Look here. What is